Radar · Air Pollution Management Tech in California
Best Air Pollution Management Tech Companies in California, United States
The 165 best Air Pollution Management Tech companies in California, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Twelve.
By Rohit KhannaTrends & Stories
165companies tracked
$3Bdisclosed funding
2unicorns
105have raised
Ranked: Best Air Pollution Management Tech companies in California
| # | Company | Disclosed funding | Last round | Stage | Employees | Founder | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Twelve Developer of carbon transformation technology producing fuels and feedstock products 78Funding top 16%Patents top 23%Moat top 26%Talent top 28% All 10 signals ▾Fundingtop 16% Patentstop 23% Moattop 26% Talenttop 28% Innovationtop 29% Growthtop 38% Markettop 41% Techtop 41% Globalbottom 49% Newsbottom 24% Funding: Raised $387M across 19 rounds · 19 rounds over 10 yrs (1.9/yr) Patents: 301 patents matched (strict assignee match) · 127 filings since 2022 vs 131 in 2017-21 rank vs industry peers · Fliar Intelligence Index 78/100 | $387M | 13 mo ago | Series C | 232 232 → 267 (+15%) · sector median +24% | Nicholas Flanders Co-Founder & CEO | Wix eCommerceWixSentry+15 | 301 patents Patents concentrated in health & consumer products | 2 launchs |
| 2 | Newlight Technologies Developer of technology converting greenhouse gas into biomaterial for product manufacturing | $220M | 34 mo ago | Series F | 149 149 → 98 (-34%) · sector median +24% | Mark Herrema Co-Founder & CEO | WixSentryEnvoy+11 | 55 patents Biodegradable polymer resins and bio‑based plastic compositions from microbial fermentation | — |
| 3 | Cool Planet Provider of decarbonization software and consulting for industrial net zero goals | $183M | 94 mo ago | Acquired | 29 | — | — | 228 patents Advanced biochar production, treatment, and application for soil amendment and carbon sequestration | — |
| 4 | Watershed 🦄 Provider of platform for enterprise sustainability programs, measurement, reporting, and action 78Funding top 18%Growth top 24%Moat top 25%Product top 28% All 11 signals ▾Fundingtop 18% Growthtop 24% Moattop 25% Producttop 28% Talenttop 28% Techtop 34% Newstop 38% Markettop 39% Patentstop 46% Innovationtop 47% Globaltop 49% Funding: Raised $170M across 4 rounds · 4 rounds over 5 yrs (0.8/yr) Growth: Headcount 11 → 225 (+1945%) across vintages · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 78/100 | $170M | 5 mo ago | Series C | 225 | Christian Anderson Co-Founder | SanityTurbopackNode.js+25 | 31 patents Shear‑resistant geomembranes and waterproof modular bags for containment and protective applications | — |
| 5 | Avnos Provider of solutions to capture carbon from the atmosphere | $128M | 28 mo ago | Series A | 8 | Will Kain Founder & CEO | WordPressMySQLPHP+15 | 5 patents CO₂ capture technologies using ionic liquids and swing adsorption processes. | 1 launch · 1 award |
| 6 | CarbonCapture Developer of modular direct air capture systems and carbon removal credits 45Funding top 22%Talent top 38%Moat top 39%Growth top 45% All 9 signals ▾Fundingtop 22% Talenttop 38% Moattop 39% Growthtop 45% Productbottom 45% Marketbottom 42% Globalbottom 39% Techbottom 38% Newsbottom 24% Funding: Raised $115M across 4 rounds · 4 rounds over 5 yrs (0.8/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 45/100 | $115M | 17 mo ago | Series A | 43 | Bill Gross Founder & Chairman | HubSpot CMS HubGSAPLenis+13 | — | — |
| 7 | Charm Industrial Operator of carbon removal technology converting biomass into bio-oil for sequestration | $108M | 32 mo ago | Series B | 92 92 → 104 (+13%) · sector median +24% | Peter Reinhardt Co-Founder & CEO | SentryApple iCloud MailGoogle Workspace+19 | — | 3 job openings |
| 8 | Molekule Manufacturer of air purification and humidification devices with filtration technology 50Funding top 28%Innovation top 29%Patents top 29%Product top 34% All 13 signals ▾Fundingtop 28% Innovationtop 29% Patentstop 29% Producttop 34% Moattop 38% Techtop 41% Growthtop 45% Customerstop 50% Talentbottom 49% Marketbottom 44% Globalbottom 40% Newsbottom 36% Fin. healthbottom 29% Funding: Raised $97.9M across 6 rounds · 6 rounds over 10 yrs (0.6/yr) Innovation: 77 patents (top 23% of patent-holders) · 39 filings since 2022 vs 38 in 2017-21 rank vs industry peers · Fliar Intelligence Index 50/100 | $98M | 13 mo ago | Public | 92 92 → 81 (-12%) · sector median +24% | Jason Dibona CEO | ShopifyApple iCloud MailMicrosoft 365+16 | 77 patents Indoor air purification using photocatalytic and UV-based filtration technologies | — |
| 9 | Pachama Develops technological solutions for the protection and restoration of the forests | $88M | 30 mo ago | Acquired | 59 59 → 36 (-39%) · sector median +24% | — | WordPressApple iCloud MailGoogle Workspace+27 | — | — |
| 10 | Jupiter Intelligence Platform offering predictive analytics solution | $86M | 57 mo ago | Series C | 63 63 → 83 (+32%) · sector median +24% | Alan Blumberg Co-Founder | WebflowApple iCloud MailGoogle Workspace+24 | — | — |
| 11 | Patch Provider of solutions to offset the carbon footprint | $80M | 45 mo ago | Series B | 40 | Brennan Spellacy Co-Founder & CEO | WebflowSalesforceGSAP+24 | 3 patents Patents concentrated in transport & manufacturing processes | — |
| 12 | Aclima Provider of air pollution and greenhouse gas measurement solutions | $77M | 21 mo ago | Series B | — | Davida Herzl Co-Founder & CEO | HubSpot CMS HubHubSpotcore-js+13 | 80 patents Patents concentrated in computing, sensing & instrumentation | — |
| 13 | NCX Provider of solutions to offset the carbon footprint 69Moat top 21%Funding top 22%Patents top 24%Tech top 25% All 9 signals ▾Moattop 21% Fundingtop 22% Patentstop 24% Techtop 25% Innovationtop 29% Talenttop 38% Growthtop 45% Marketbottom 46% Globalbottom 42% Moat: Editorial + unicorn rating 8/10 · IP moat: 80 patents Funding: Raised $74.4M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) rank vs industry peers · Fliar Intelligence Index 69/100 | $74M | 13 mo ago | Series B | 50 | Zack Parisa Co-Founder & CEO | WordPress Block EditorWordPressMySQL+43 | 80 patents Vacuum electron devices—field emission cathodes and multi-beam X‑ray source technologies. | — |
| 14 | Aclima Provider of connected sensor networks for environment awareness 53Moat top 21%Innovation top 22%Patents top 22%Funding top 30% All 10 signals ▾Moattop 21% Innovationtop 22% Patentstop 22% Fundingtop 30% Talenttop 39% Marketbottom 43% Globalbottom 43% Techbottom 38% Growthbottom 30% Newsbottom 18% Moat: Editorial + unicorn rating 8/10 · IP moat: 80 patents Innovation: 80 patents (top 23% of patent-holders) · 44 filings since 2022 vs 22 in 2017-21 rank vs industry peers · Fliar Intelligence Index 53/100 | $64M | 21 mo ago | Series B | 51 | Davida Herzl Co-Founder & CEO | — | 80 patents Patents concentrated in computing, sensing & instrumentation | — |
| 15 | Lithos Carbon Provider of carbon dioxide removal through enhanced rock weathering on farms | $63M | 30 mo ago | Series A | 1 | Mary Yap Co-Founder & CEO | — | — | 1 partnership |
| 16 | Terradot Technology solution for carbon removal | $58M | 18 mo ago | Series A | 10 | Sasankh Munukutla Co-Founder | Framer SitesYouTubeReact+9 | — | 2 job openings · 1 award |
| 17 | Heirloom Provider of direct air capture technology for permanent carbon dioxide removal 40Funding top 26%Talent top 28%Moat top 39%Market bottom 45% All 8 signals ▾Fundingtop 26% Talenttop 28% Moattop 39% Marketbottom 45% Growthbottom 40% Globalbottom 39% Techbottom 37% Newsbottom 19% Funding: Raised $53.0M across 4 rounds · 4 rounds over 5 yrs (0.8/yr) Talent: 3 named leaders on record · 3 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 40/100 | $53M | 6 mo ago | Series B | 54 | Noah Mcqueen Co-Founder | Webflow EcommerceWebflowLenis+10 | — | — |
| 18 | AirCapture Online platform offering carbon capture solutions 32Funding top 37%Patents top 42%Innovation top 45%Moat bottom 49% All 9 signals ▾Fundingtop 37% Patentstop 42% Innovationtop 45% Moatbottom 49% Techbottom 43% Talentbottom 40% Marketbottom 35% Globalbottom 33% Newsbottom 20% Funding: Raised $50.0M across 1 rounds · 1 rounds over 4 yrs (0.2/yr) Patents: 9 patents matched (strict assignee match) · 9 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 32/100 | $50M | 11 mo ago | Series A | 35 | Matt Atwood Co-Founder & CEO | WebflowYouTubeCloudinary+12 | 9 patents CO₂ capture via EM‑excited amine sorbents and advanced cryogenic gas separation surfaces | 1 launch · 3 awards |
| 19 | Captura Corp Provider of ocean carbon capturing technology | $45M | 26 mo ago | Series A | 11 | Harry Atwater Co-Founder | WordPressMySQLPHP+19 | 9 patents Oceanic CO₂ capture using composite membranes and bubble reactor technologies | 1 partnership · 1 award |
| 20 | STAX Provider of emission control and treatment system 29Funding top 27%Patents top 32%Innovation top 35%Talent top 38% All 10 signals ▾Fundingtop 27% Patentstop 32% Innovationtop 35% Talenttop 38% Moatbottom 49% Growthbottom 42% Globalbottom 40% Marketbottom 21% Techbottom 19% Newsbottom 18% Funding: Raised $40.0M across 3 rounds · 3 rounds over 2 yrs (1.5/yr) Patents: 12 patents matched (strict assignee match) · 12 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 29/100 | $40M | 15 mo ago | Series C | 3 | Bob Sharp Founder & President | WordPressMySQLPHP+17 | 12 patents Patents concentrated in mechanical & energy engineering | 2 job openings |
| 21 | ClimateAI Developer of an AI platform providing climate risk management solutions | $38M | 38 mo ago | Series B | 27 27 → 43 (+59%) · sector median +24% | Max Evans Co-Founder & COO | WordPress Block EditorElementorWordPress+27 | 22 patents AI-powered high-resolution weather and climate forecasting using deep generative neural networks | — |
| 22 | Terraform Industries Developer of natural gas from carbon capture technology 19Talent top 38%Growth top 45%Funding top 48%Global bottom 37% All 6 signals ▾Talenttop 38% Growthtop 45% Fundingtop 48% Globalbottom 37% Marketbottom 25% Techbottom 15% Talent: 2 named leaders on record · 2 C-suite/founder profiles curated Growth: Web rank 10,000,000 → 50,000,000 YoY · Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 19/100 | $38M | 2 mo ago | Series A | 9 | Casey Handmer Co-Founder | Apache HTTP ServerGoogle Workspace | — | — |
| 23 | Windfall Bio Developer of technology transforming methane into organic fertilizer for agriculture 29Funding top 25%Talent top 30%News top 34%Moat top 48% All 6 signals ▾Fundingtop 25% Talenttop 30% Newstop 34% Moattop 48% Globalbottom 39% Marketbottom 23% Funding: Raised $37.0M across 4 rounds · 4 rounds over 3 yrs (1.3/yr) Talent: 4 named leaders on record · 4 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 29/100 | $37M | 12 mo ago | Series A | 9 | Judy Su Co-Founder & VP Operations | — | — | — |
| 24 | Living Carbon Provider of biotechnology based carbon storage solutions 53Partners top 18%Funding top 23%Growth top 25%News top 28% All 9 signals ▾Partnerstop 18% Fundingtop 23% Growthtop 25% Newstop 28% Moattop 39% Talentbottom 49% Techbottom 42% Marketbottom 40% Globalbottom 39% Partners: 5 contract events in 12 mo · Named contractor/client in 5 deals Funding: Raised $36.0M across 5 rounds · 5 rounds over 4 yrs (1.2/yr) rank vs industry peers · Fliar Intelligence Index 53/100 | $36M | 1 mo ago | Series A | 25 25 → 38 (+52%) · sector median +24% | Maddie Hall Co-Founder & CEO | WebflowTypekitGoogle Font API+12 | — | — |
| 25 | SINAI Online platform that provides decarbonization solutions for companies, enabling them to go beyond carbon… | $36M | 27 mo ago | Series A | 55 | Maria Fujihara Co-Founder & CEO | Webflow EcommerceWebflowcore-js+19 | — | — |
| 26 | Ebb Carbon Provider of electrochemical technology for freshwater recovery, carbon removal, and chemicals | $34M | 17 mo ago | Series A | 35 | Ben Tarbell Co-Founder & CEO | — | 33 patents Ocean alkalinity enhancement and carbon mineralization for CO₂ removal and seawater treatment | — |
| 27 | Vaulted Deep Provider of permanent carbon removal solutions using deep underground waste injection | $32M | 20 mo ago | Series A | — | Julia Reichelstein Co-Founder & CEO | WordPress Block EditorCart FunctionalityWordPress+20 | — | 3 job openings · 1 award |
| 28 | NovoNutrients Online platform to transform carbon dioxide into seafood farming products | $30M | 23 mo ago | Series A | 14 | Brian Sefton Co-Founder | — | — | — |
| 29 | Insight M Technology solution for methane emission detection | $30M | 12 mo ago | Acquired | 19 | — | Craft CMSApple iCloud MailPHP+18 | 67 patents Patents concentrated in computing, sensing & instrumentation | 1 partnership |
| 30 | Carbo Culture Producer and supplier of biochar | $25M | 30 mo ago | Series A | 28 | Henrietta Moon Co-Founder and CEO | Node.jsReactNext.js+7 | 15 patents Carbon capture and production of dry, durable carbon materials for sequestration | — |
| 31 | WindBorne Systems AI-powered models and a global network of long-duration smart balloons | $23M | 25 mo ago | Series A | 11 | Kai Marshland Co-Founder & Chief Product Officer | WebflowAmazon Web ServicesMicrosoft Clarity+13 | — | — |
| 32 | Noya Developer of an energy-efficient direct air capture system for carbon removal | $22M | 39 mo ago | Series A | 35 | Josh Santos Co-Founder & CEO | WebflowApple iCloud MailGoogle Workspace+12 | 31 patents Carbon dioxide capture and removal technologies for fluid streams | — |
| 33 | Sensible Weather Provider of weather guarantees for travel and outdoor experiences. | $20M | 32 mo ago | Series A | 41 | — | Craft CMSApple iCloud MailGoogle Workspace+23 | — | — |
| 34 | Rubi Manufacturer of biobased textiles made from captured carbon emissions 32Funding top 28%Partners top 32%Moat top 35%Talent top 38% All 7 signals ▾Fundingtop 28% Partnerstop 32% Moattop 35% Talenttop 38% Newsbottom 48% Globalbottom 39% Marketbottom 31% Funding: Raised $18.6M across 6 rounds · 6 rounds over 4 yrs (1.5/yr) Partners: 2 partnership announcements in 12 mo (2 in 24 mo) rank vs industry peers · Fliar Intelligence Index 32/100 | $19M | 6 mo ago | Series A | 12 12 → 28 (+133%) · sector median +24% | Neeka Mashouf Co-Founder & CEO | — | — | — |
| 35 | Blue Planet Systems Provider of carbon capture and sequestration solutions | $18M | 35 mo ago | Series C | 27 27 → 63 (+133%) · sector median +24% | Sangita Kapoor Founder and CEO | — | — | — |
| 36 | Clarity Developer of environment sensors | $16M | 36 mo ago | Series A | 39 | Baljot Singh Co-Founder and VP Hardware | WebflowAmazon Web Servicescore-js+25 | 103 patents Patents concentrated in computing, sensing & instrumentation | — |
| 37 | Carbon Ridge Provider of carbon capture services for maritime shipping | $16M | 19 mo ago | Series B | 7 | — | — | — | 1 partnership |
| 38 | CarbonBuilt Manufacturer of concrete masonry products using upcycled binder for construction 35Moat top 25%Patents top 29%Innovation top 35%Talent top 38% All 8 signals ▾Moattop 25% Patentstop 29% Innovationtop 35% Talenttop 38% Fundingtop 41% Globalbottom 40% Techbottom 39% Marketbottom 23% Moat: Editorial + unicorn rating 7/10 · IP moat: 24 patents Patents: 24 patents matched (strict assignee match) · 24 filings since 2022 vs 0 in 2017-21 rank vs industry peers · Fliar Intelligence Index 35/100 | $14M | 12 mo ago | Series A | 17 17 → 21 (+24%) · sector median +24% | Gaurav Sant Co-Founder | WebflowApple iCloud MailMicrosoft 365+11 | 24 patents Low‑temperature CO₂ mineralization and hydrothermal densification for cementitious binders | 1 expansion |
| 39 | AirMyne Developer of direct air capture technology for carbon removal solutions | $7M | 27 mo ago | Seed | 10 | Sudip Mukhopadhyay Co-Founder | — | 20 patents Patents concentrated in transport & manufacturing processes | 1 internship · 1 launch |
| 40 | Clairity Tech Provider of solutions for direct air capture | $7M | 27 mo ago | Seed | — | Glen Meyerowitz CEO | — | — | — |
| 41 | WattCarbon Provider of decarbonization market platform | $6M | 11 mo ago | Seed | 10 | Keith Weiss Co-Founder | SubstackSentryNode.js+14 | — | — |
| 42 | Circularity Fuels Developer of renewable hydrocarbon fuels from captured carbon | $5M | 16 mo ago | Funding Raised | — | Stephen Beaton Co-Founder & CEO | — | 5 patents Catalytic CO₂ capture and conversion to high‑purity methane, plus low‑pressure methane enrichment | — |
| 43 | DACLAB A climate technology company that develops and commercializes direct air capture (DAC) solutions to empower… | $3M | 9 mo ago | Seed | — | Aditya Bhandari Co-Founder & CEO | — | — | — |
| 44 | Everest Carbon Provider of carbon removal solution | $3M | 18 mo ago | Seed | — | Pascal Michel Co-Founder & CEO | WebflowGSAPcore-js+12 | — | — |
| 45 | Tempest Provider of weather station and monitoring solutions | $3M | 18 mo ago | Seed | 56 | David John Co-Founder & CTO | Cart FunctionalityShopifySentry+41 | — | — |
| 46 | CNaught Provider of carbon offset API management platform | $2M | 13 mo ago | Seed | 4 | Steven Siger Cofounder and COO/CLO | WebflowVimeoVercel+17 | — | 1 launch |
| 47 | Atmo Offering AI based weather forecasting solutions | $2M | 18 mo ago | Series A | 10 | Johan Mathe Co-Founder & CTO | WebflowGSAPAmazon Web Services+12 | — | — |
| 48 | C.Scale Developer of a platform for building decarbonization and carbon emission prediction | $2M | 7 mo ago | Seed | — | Jack Rusk Co-Founder & CEO | — | 30 patents AI-powered data annotation and dataset preparation for computer vision and document AI | 1 launch |
| 49 | Mitico Provider of carbon capture technology for industrial emissions | $2M | 15 mo ago | Series A | — | Clement Cid Co-Founder & CEO | WebflowjQueryHubSpot+8 | — | 2 awards |
| 50 | BluumBio Developer of enzyme solutions for environmental remediation of industrial chemicals | $125K | 12 mo ago | Seed | 4 | Katherine French Founder & CEO | Cart FunctionalitySquarespace CommerceSquarespace+9 | 4 patents Engineered cytochrome P450 enzymes for bioremediation of PFAS contaminants | — |
Top 12 Air Pollution Management Tech companies in California
#1
Series C · San Francisco, California · founded 2019 · 225 employees$170.5Mraised▾
Series C · San Francisco, California · founded 2019 · 225 employees
Provider of platform for enterprise sustainability programs, measurement, reporting, and action. The platform offers tools for carbon accounting, emissions reduction, and sustainability disclosure preparation. It facilitates target setting and progress tracking toward decarbonization. The platform supports audit-grade data and methodologies vetted by third-party auditors.
Fliar Intelligence Index™ 78how this company ranks against its industry peers
Funding
top 18%Growth
top 24%Moat
top 25%Product
top 28%Talent
top 28%Tech
top 34%Funding: Raised $170M across 4 rounds · 4 rounds over 5 yrs (0.8/yr) · Last round Series C (Dec 2025)
Growth: Headcount 11 → 225 (+1945%) across vintages · Fresh capital in last 24 mo
Moat: Editorial + unicorn rating 9/10 · IP moat: 31 patents · Unicorn
Audience (LinkedIn): 76k LinkedIn followers — 13.7% of this cohort's audience
Funding rounds
- Dec 2025Series C$14.5M
- Jun 2025Grant (prize money)$55K
- Feb 2024Series C$100.5M
- Feb 2022Series B$70M
Founders & team
Investors
Sequoia Capital, Kleiner Perkins, Lowercarbon Capital, Greenoaks, Emerson Collective, Galvanize Climate Solutions
Tech stack
6SenseCloudflareCloudflare Bot ManagementCore-JsGoogle AnalyticsGoogle Tag Manager
#2
Series A · San Francisco, California · founded 2019 · 25 employees$36Mraised▾
Series A · San Francisco, California · founded 2019 · 25 employees
Provider of biotechnology based carbon storage solutions. It uses biochemistry to enhance a tree natural ability to draw down atmospheric carbon.
Fliar Intelligence Index™ 53how this company ranks against its industry peers
Partners
top 18%Funding
top 23%Growth
top 25%News
top 28%Moat
top 39%Talent
bottom 49%Partners: 5 contract events in 12 mo · Named contractor/client in 5 deals
Funding: Raised $36.0M across 5 rounds · 5 rounds over 4 yrs (1.2/yr) · Last round Series A (Apr 2026)
Growth: Web rank 10,000,000 → 5,000,000 YoY · Fresh capital in last 24 mo
Audience (LinkedIn): 17k LinkedIn followers — 3.1% of this cohort's audience
Activity (LinkedIn): 1 awards announced in 12 mo
Funding rounds
- Apr 2026Series A$13M
- Jan 2023Series A$21M
- Feb 2022Grant (prize money)$500K
- Feb 2022Series A$15M
Founders & team
Investors
Temasek, Lowercarbon Capital, Toyota Ventures, Felicis Ventures, Day One Ventures, Goat Capital
Tech stack
CloudflareGoogle AnalyticsGoogle Font ApiGoogle Hosted LibrariesGoogle Tag ManagerGoogle Workspace
#3
Series A · Los Angeles, California · founded 2021 · 9 employees$37.7Mraised▾
Series A · Los Angeles, California · founded 2021 · 9 employees
Developer of natural gas from carbon capture technology. It produces natural gas using sunlight and air and removes carbon from the atmosphere. It captures carbon dioxide from the air and creates hydrogen from water using solar energy.
Fliar Intelligence Index™ 19how this company ranks against its industry peers
Talent
top 38%Growth
top 45%Funding
top 48%Global
bottom 37%Market
bottom 25%Tech
bottom 15%Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
Growth: Web rank 10,000,000 → 50,000,000 YoY · Fresh capital in last 24 mo
Funding: Raised $37.7M across 1 rounds · 1 rounds over 5 yrs (0.2/yr) · Last round Series A (Mar 2026)
Funding rounds
- Mar 2026Series A$37.7M
- 2021Seed—
Founders & team
Investors
Climate Capital
Tech stack
Apache Http ServerGoogle Workspace
#4
Series C · Berkeley, California · founded 2015 · 232 employees$387.4Mraised▾
Series C · Berkeley, California · founded 2015 · 232 employees
Developer of carbon transformation technology producing fuels and feedstock products. The company's technology transforms carbon dioxide, water, and renewable electricity into hydrocarbons. These hydrocarbons are drop-in replacements for conventional petroleum-based materials and ingredients. The resulting products have zero fossil fuels, zero emissions, and no trade-offs in quality.
Fliar Intelligence Index™ 78how this company ranks against its industry peers
Funding
top 16%Patents
top 23%Moat
top 26%Talent
top 28%Innovation
top 29%Growth
top 38%Funding: Raised $387M across 19 rounds · 19 rounds over 10 yrs (1.9/yr) · Last round Series C (May 2025)
Patents: 301 patents matched (strict assignee match) · 127 filings since 2022 vs 131 in 2017-21 · Latest publication 2026
Moat: Editorial + unicorn rating 8/10 · IP moat: 301 patents · Soonicorn
Audience (LinkedIn): 36k LinkedIn followers — 6.5% of this cohort's audience
Activity (LinkedIn): 2 product launches announced in 12 mo
Funding rounds
- May 2025Series C—
- Feb 2025Series C$85M
- Sep 2024Series C$200M
- Sep 2024Conventional Debt$45M
Founders & team
Investors
Capricorn, DCVC, Munich Re Ventures, Microsoft, Evok Innovations, Breakout Ventures
Tech stack
Apple Icloud MailBootstrapGodaddyGoogle CloudGoogle Cloud CdnGsap
#5
Series B · San Francisco, California · founded 2020 · 54 employees$53Mraised▾
Series B · San Francisco, California · founded 2020 · 54 employees
Provider of direct air capture technology for permanent carbon dioxide removal. The company accelerates natural carbon mineralization to capture carbon dioxide from the atmosphere. It integrates this mineralization approach into direct air capture facilities. The company’s facilities are powered by renewable energy and constructed with labor protections.
Fliar Intelligence Index™ 40how this company ranks against its industry peers
Funding
top 26%Talent
top 28%Moat
top 39%Market
bottom 45%Growth
bottom 40%Global
bottom 39%Funding: Raised $53.0M across 4 rounds · 4 rounds over 5 yrs (0.8/yr) · Last round Series B (Dec 2025)
Talent: 3 named leaders on record · 3 C-suite/founder profiles curated
Moat: Editorial + unicorn rating 6/10 · 9 curated direct competitors tracked
Audience (LinkedIn): 36k LinkedIn followers — 6.4% of this cohort's audience
Activity (LinkedIn): 2 partnerships (incl. Chyoda Corporation) announced in 12 mo
Funding rounds
- Dec 2025Series B—
- Feb 2025Series B—
- Dec 2024Series B$150M
- Mar 2022Series A$53M
Founders & team
Investors
Lowercarbon Capital, Energy Ventures, Prelude Ventures, Ahren, Breakthrough Energy, Microsoft
Tech stack
CloudflareCore-JsGodaddyGoogle WorkspaceHstsHttp/3
#6
Series A · San Francisco, California · founded 2020 · 12 employees$18.6Mraised▾
Series A · San Francisco, California · founded 2020 · 12 employees
Manufacturer of biobased textiles made from captured carbon emissions. The company’s process removes carbon dioxide from the atmosphere. It creates textiles using virtually zero water and land. The textiles are the same material already used in apparel. The material biodegrades at the end of its life. The technology uses enzymes to convert carbon dioxide to cellulose.
Fliar Intelligence Index™ 32how this company ranks against its industry peers
Funding
top 28%Partners
top 32%Moat
top 35%Talent
top 38%News
bottom 48%Global
bottom 39%Funding: Raised $18.6M across 6 rounds · 6 rounds over 4 yrs (1.5/yr) · Last round Series A (Nov 2025)
Partners: 2 partnership announcements in 12 mo (2 in 24 mo)
Moat: Editorial + unicorn rating 7/10 · 3 curated direct competitors tracked
Audience (LinkedIn): 11k LinkedIn followers — 2.0% of this cohort's audience
Activity (LinkedIn): 1 awards announced in 12 mo
Funding rounds
- Nov 2025Series A$7.5M
- Dec 2024Grant (prize money)$970K
- Nov 2023Seed$5.1M
- Mar 2023Seed$8.7M
Founders & team
Investors
Talis Capital, Tin Shed Ventures, Necessary Ventures, H&M Group Ventures, Collab Fund, America’s Seed Fund
#7
Public · San Francisco, California · founded 2014 · 92 employees$97.9Mraised▾
Public · San Francisco, California · founded 2014 · 92 employees
Manufacturer of air purification and humidification devices with filtration technology. The company offers air purifiers utilizing PECO technology alongside HEPA filtration. These devices aim to remove pollutants, allergens, and other particles from indoor air. The company also provides humidifiers designed to maintain comfortable humidity levels. Replacement filters for the air purification devices are available for purchase.
Fliar Intelligence Index™ 50how this company ranks against its industry peers
Funding
top 28%Innovation
top 29%Patents
top 29%Product
top 34%Moat
top 38%Tech
top 41%Funding: Raised $97.9M across 6 rounds · 6 rounds over 10 yrs (0.6/yr) · Last round Post IPO (May 2025)
Innovation: 77 patents (top 23% of patent-holders) · 39 filings since 2022 vs 38 in 2017-21 · 11 product lines
Patents: 77 patents matched (strict assignee match) · 39 filings since 2022 vs 38 in 2017-21 · Latest publication 2026
Audience (LinkedIn): 11k LinkedIn followers
Funding rounds
- May 2025Post IPO$6.6M
- May 2023Post IPO$10M
- Sep 2021Angel—
- Aug 2020Angel—
Founders & team
Investors
Founders Circle Capital, Inventec, Crosslink Capital, Uncork Capital, TransLink Capital, Foundry
Tech stack
Animate.CssApple Icloud MailApple PayBootstrapCart FunctionalityCloudflare
#8
Series B · San Francisco, California · founded 2010 · 50 employees$74.4Mraised▾
Series B · San Francisco, California · founded 2010 · 50 employees
Provider of solutions to offset the carbon footprint. It provides a data-driven forest carbon marketplace. Its platform allows users to buy carbon credit to offset the carbon footprint.
Fliar Intelligence Index™ 69how this company ranks against its industry peers
Moat
top 21%Funding
top 22%Patents
top 24%Tech
top 25%Innovation
top 29%Talent
top 38%Moat: Editorial + unicorn rating 8/10 · IP moat: 80 patents · Soonicorn
Funding: Raised $74.4M across 5 rounds · 5 rounds over 6 yrs (0.8/yr) · Last round Grant (prize money) (Apr 2025)
Patents: 80 patents matched (strict assignee match) · 80 filings since 2022 vs 0 in 2017-21 · Latest publication 2026
Audience (LinkedIn): 10k LinkedIn followers
Funding rounds
- Apr 2025Grant (prize money)$349.3K
- Jan 2025Grant (prize money)$4M
- Mar 2022Series B$50M
- May 2021Series A$20M
Founders & team
Investors
Microsoft, Union Square Ventures, Version One Ventures, Gratitude Railroad, Alpha Edison, Scribble Ventures
Tech stack
Adobe Experience Platform LaunchAstroBrowser-Update.OrgCloudflareCloudflare Bot ManagementCore-Js
#9
Series A · Berkeley, California · founded 2018 · 35 employees$50Mraised▾
Series A · Berkeley, California · founded 2018 · 35 employees
Online platform offering carbon capture solutions
Fliar Intelligence Index™ 32how this company ranks against its industry peers
Funding
top 37%Patents
top 42%Innovation
top 45%Moat
bottom 49%Tech
bottom 43%Talent
bottom 40%Funding: Raised $50.0M across 1 rounds · 1 rounds over 4 yrs (0.2/yr) · Last round Series A (Jun 2025)
Patents: 9 patents matched (strict assignee match) · 9 filings since 2022 vs 0 in 2017-21 · Latest publication 2026
Innovation: 9 patents (top 70% of patent-holders) · 9 filings since 2022 vs 0 in 2017-21
Audience (LinkedIn): 7k LinkedIn followers
Activity (LinkedIn): 1 product launches · 3 awards announced in 12 mo
Funding rounds
- Jun 2025Series A$50M
- Apr 2022Grant (prize money)—
Founders & team
Investors
DOE, Larsen Lam Climate Change Foundation, Valhalla Ventures
Tech stack
CloudflareCloudinaryGodaddyGoogle AnalyticsGoogle Font ApiGoogle Hosted Libraries
#10
Series A · Los Angeles, California · founded 2019 · 43 employees$115Mraised▾
Series A · Los Angeles, California · founded 2019 · 43 employees
Developer of modular direct air capture systems and carbon removal credits. It designs and manufactures modular direct air capture (DAC) systems for atmospheric carbon dioxide removal. These systems utilize solid sorbents to capture CO2, which can then be permanently stored or used in various applications. The company also develops and deploys its DAC systems at its own carbon removal projects, allowing for continuous improvement and efficiency gains. High-quality carbon removal credits are generated through a combination of atmospheric carbon removal and permanent geological storage, offering verifiable and measurable results.
Fliar Intelligence Index™ 45how this company ranks against its industry peers
Funding
top 22%Talent
top 38%Moat
top 39%Growth
top 45%Product
bottom 45%Market
bottom 42%Funding: Raised $115M across 4 rounds · 4 rounds over 5 yrs (0.8/yr) · Last round Grant (prize money) (Jan 2025)
Talent: 2 named leaders on record · 2 C-suite/founder profiles curated
Moat: Editorial + unicorn rating 7/10 · 9 curated direct competitors tracked
Audience (LinkedIn): 14k LinkedIn followers — 2.6% of this cohort's audience
Funding rounds
- Jan 2025Grant (prize money)$10.4M
- Mar 2024Series A$80M
- Sep 2023Series A—
- Aug 2023Grant (prize money)$12.5M
Founders & team
Investors
The Climate Pledge, Aramco Ventures, Siemens, Prime Movers Lab, Idealabx, TimeVentures
Tech stack
CloudflareCloudflare Bot ManagementCore-JsGsapHstsHttp/3
#11
Series A · Menlo Park, California · founded 2023 · 9 employees$37Mraised▾
Series A · Menlo Park, California · founded 2023 · 9 employees
Developer of technology transforming methane into organic fertilizer for agriculture. The technology utilizes naturally occurring soil microbes to convert methane into bioavailable nutrients. This process transforms methane from a waste product into a valuable resource. The company provides tools to manage the methane-to-soil resource stream.
Fliar Intelligence Index™ 29how this company ranks against its industry peers
Funding
top 25%Talent
top 30%News
top 34%Moat
top 48%Global
bottom 39%Market
bottom 23%Funding: Raised $37.0M across 4 rounds · 4 rounds over 3 yrs (1.3/yr) · Last round Grant (prize money) (May 2025)
Talent: 4 named leaders on record · 4 C-suite/founder profiles curated · 3 leadership moves in 12 mo
News: 3 BI events in 12 mo (of 11 tracked, 3 types) · +200% YoY · Top themes: Leadership
Audience (LinkedIn): 8k LinkedIn followers
Activity (LinkedIn): 1 product launches · 1 awards · 1 expansions announced in 12 mo
Funding rounds
- May 2025Grant (prize money)$6M
- Jan 2025Grant (prize money)$6M
- Apr 2024Series A$28M
- Mar 2023Seed$9M
Founders & team
Investors
Mayfield, B37 Ventures, Baruch Future Ventures, Breakthrough Energy, Bessemer Venture Partners, Cavallo Ventures
#12
Acquired · Sunnyvale, California · founded 2013 · 19 employees$30Mraised▾
Acquired · Sunnyvale, California · founded 2013 · 19 employees
Technology solution for methane emission detection. The LeakSurveyor technology uses a spectrometer to measure patterns of sunlight energy absorbed by methane emissions with an adjustable sensitivity. It combines spectrometer data with GPS/INS data and simultaneous optical imaging to provide data on exact location, heading, and real-time ground conditions around emission sources.
LinkedIn Pulse recent public activity · Jul 2026
Audience: 6k LinkedIn followers
Activity: 1 partnerships (incl. GeoPark) announced in 12 mo
Funding rounds
- Jun 2025Series E$30M
- 2018Seed—
Investors
Climate Investment, Morgan Stanley, DCVC, Energy Innovation Capital
Tech stack
Apple Icloud MailCloudflareCloudflare Bot ManagementCraft CmsDocusignGoogle Analytics
Funding & investor landscape
$3Btotal disclosed funding
97companies funded
261disclosed rounds
2rounds last 90 days
Most active investors
Y Combinator12 rounds
Notable founders
Christian Anderson
Co-Founder · Watershed
Taylor Francis
Co-Founder · Watershed
Maddie Hall
Co-Founder & CEO · Living Carbon
Casey Handmer
Co-Founder · Terraform Industries
Fabio Teixeira
Co-Founder & CEO · Terraform Industries
Nicholas Flanders
Co-Founder & CEO · Twelve
Kendra Kuhl
Co-Founder · Twelve
Noah Mcqueen
Co-Founder · Heirloom
Shashank Samala
Co-Founder & CEO · Heirloom
Neeka Mashouf
Co-Founder & CEO · Rubi
Leila Mashouf
Co-Founder & CTO · Rubi
Jason Dibona
CEO · Molekule
Prism market signals · United States · country-scoped Prism corpus, 19,235,917 docs
Market landscape — 10 sub-themes by coverage
Share of Air Pollution Management Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
RESEARCH IN CALIFORNIA · Environment
How research on Air Quality in California is moving
A read on the academic research around Air Quality in California — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 1,086 papers.
UC Berkeley, USC, and UC Irvine dominate California's air-quality research, focusing primarily on health impacts and atmospheric chemistry, with a cautiously concerned yet productive tone.
1086 papers · stance +0.11 · 13% breakthrough · 50% concern
top institutions
- University of California, Berkeley282
- University of Southern California162
- University of California, Irvine127
- University of California, Davis102
- California Institute of Technology92
leading researchers
Michael Jerrett · Jason Su · Jun Wu · Joshua S. Apte · Qindan Zhu · Eva Y. Pfannerstill
prism intelligence · tone & topics
39% positive · 53% critical tone
EnvironmentHealthTransportationPoliticsBusinessGovernment
▲
Breakthroughs88 · 8%
▲ 7%→8% share
▲1.1× share momentum1 median citations80% since 2021mostly methods-led
Air pollution breakthroughs are rising sharply — papers jumped from 6 to 41, with grid and environmental justice newly emerging.
rising sub-themes (early→recent)
- Air pollution6→41
- Pollution2→23
- Particulates4→23
- Meteorology1→9
- Pollutant2→9
Newly emergingGrid 0→5 · Environmental justice 0→5 · Aerodynamic diameter 0→4
Landmark Air quality during the 2008 Beijing Olympics: secondary pollutants and regional impact · 397 cites
◆
Advancements243 · 22%
▲ 13%→25% share
▲1.9× share momentum4 median citations87% since 2021mostly empirical
Particulates advancement research intensified — papers rose from 6 to 42, with greenhouse gas and air pollutants newly entering the field.
rising sub-themes (early→recent)
- Air pollution13→123
- Particulates6→42
- Pollution6→41
- Pollutant4→32
- Environmental health7→29
Newly emergingAir pollutants 0→20 · Greenhouse gas 0→11 · Population 0→10
Landmark Emission factors for open and domestic biomass burning for use in atmospheric models · 2,123 cites
▼
Concerns330 · 30%
▼ 36%→28% share
▼0.8× share momentum8 median citations73% since 2021mostly empirical
Environmental justice concerns are newly prominent — equity and socioeconomic status topics emerged while overall concern field-share cooled from 36% to 28%.
rising sub-themes (early→recent)
- Air pollution39→155
- Pollution16→62
- Environmental health23→60
- Ozone4→20
- Greenhouse gas1→15
Newly emergingEnvironmental justice 0→19 · Equity (law) 0→14 · Socioeconomic status 0→9
Landmark Long-Term Ozone Exposure and Mortality · 1,615 cites
Common questions
How many Air Pollution Management Tech companies are there in California, United States?
Radar tracks 165 indexable Air Pollution Management Tech companies headquartered in California, United States that meet our profile-completeness bar.
What is the total funding raised by Air Pollution Management Tech companies in California, United States?
The Air Pollution Management Tech companies in California, United States on this list have raised a combined $3B in disclosed equity funding across 97 funded companies.
Which is the highest-funded Air Pollution Management Tech company in California, United States?
Twelve is the highest-funded Air Pollution Management Tech company in California, United States, with $387.4M in disclosed equity funding.
How many Air Pollution Management Tech companies in California, United States are funded?
97 of the 165 Air Pollution Management Tech companies in California, United States on this list have disclosed at least one equity funding round.
How many Air Pollution Management Tech unicorns are there in California, United States?
2 Air Pollution Management Tech companies in California, United States on this list are valued at $1B or more.
Who are the top investors in California, United States Air Pollution Management Tech companies?
The most active investors in California, United States Air Pollution Management Tech companies on this list include Climate Capital, Y Combinator, Lowercarbon Capital, Incite, National Science Foundation.
Rohit KhannaTrends & Stories
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.