# Top 25 Air Quality Startups Worldwide by Funding (2026)

> The 25 best-funded air quality startups worldwide, ranked by total funding raised: $94M combined. With founding year, headquarters and each company's rounds.

Source: https://millionrounds.com/top-lists/air-quality-startups (Millionrounds; every figure on the page links to its filing or article)

- 1 [**Neoplants** Neoplants is a synthetic biology company based in Paris, founded in 2018.](https://millionrounds.com/company/neoplants) Neoplants is a synthetic biology company based in Paris, founded in 2018. *Founded* 2018 Paris, France **$20M** last round Oct 2022
- 2 [**eLichens** eLichens is a French deep-tech startup founded in December 2014, specializing in advanced gas sensors and air quality monitoring solutions.](https://millionrounds.com/company/elichens) eLichens is a French deep-tech startup founded in December 2014, specializing in advanced gas sensors and air quality monitoring solutions. *Founded* 2014 Grenoble, France **$18M** last round Jul 2022
- 3 [**SafeTraces** SafeTraces provides indoor air quality testing that actively measures pathogen risk.](https://millionrounds.com/company/safetraces) SafeTraces provides indoor air quality testing that actively measures pathogen risk. *Founded* 2013 Pleasanton, United States **$12M** last round Jul 2023
- 4 [**Ecair** Ecair delivers software that monitors air quality, analyzes HVAC performance, and provides alerts, APIs, and reports for buildings.](https://millionrounds.com/company/ecair) Ecair delivers software that monitors air quality, analyzes HVAC performance, and provides alerts, APIs, and reports for buildings. *Founded* 2023 Saint Denis, France **$7.0M** last round Dec 2025
- 5 [**Airly** Airly is a clean-tech air quality intelligence company that provides real-time pollution data and insights for various sectors, including governments, businesse](https://millionrounds.com/company/airly) Airly is a clean-tech air quality intelligence company that provides real-time pollution data and insights for various sectors, including governments, businesse *Founded* 2016 London, Poland **$5.5M** last round Nov 2022
- 6 [**EcoTimber** Specializing in sustainable wood and alternative to wood fiber products, an EcoTimber floor is more than beautiful wood or bamboo.](https://millionrounds.com/company/ecotimber) Specializing in sustainable wood and alternative to wood fiber products, an EcoTimber floor is more than beautiful wood or bamboo. *Founded* 1992 Atlanta, United States **$4.0M** last round May 2007
- 7 [**HAVEN IAQ** HAVEN IAQ is a technology company based in Vancouver, focused on improving indoor air quality (IAQ) for homes with central-forced air systems.](https://millionrounds.com/company/haven-iaq) HAVEN IAQ is a technology company based in Vancouver, focused on improving indoor air quality (IAQ) for homes with central-forced air systems. *Founded* 2013 Vancouver, Canada **$4.0M** last round Mar 2021
- 8 [**UHOO** uHoo is a Singapore-based cleantech and proptech company founded in 2014.](https://millionrounds.com/company/uhoo) uHoo is a Singapore-based cleantech and proptech company founded in 2014. *Founded* 2014 Singapore, Hong Kong SAR China **$3.7M** last round Jan 2025
- 9 [**Octopus Lab** Octopus Lab is a French deep tech company focused on predictive software solutions that improve indoor air quality (IAQ), energy efficiency, and environmental s](https://millionrounds.com/company/octopus-lab) Octopus Lab is a French deep tech company focused on predictive software solutions that improve indoor air quality (IAQ), energy efficiency, and environmental s *Founded* 2017 La Madeleine, France **$3.1M** last round Jul 2022
- 10 [**Hawa Dawa** Hawa Dawa manufactures and develops air quality monitoring systems.](https://millionrounds.com/company/hawa-dawa) Hawa Dawa manufactures and develops air quality monitoring systems. *Founded* 2016 Austria **$2.4M** last round Jan 2021
- 11 [**Meo** Meo designs the air quality assessment platform for businesses and governments.](https://millionrounds.com/company/meo) Meo designs the air quality assessment platform for businesses and governments. *Founded* 2012 Denmark **$1.8M** last round Mar 2024
- 12 [**ETHERA** Ethera Labs is a French technology company based in Crolles, Isère, specializing in innovative sensors and air purification systems aimed at improving indoor air quality.](https://millionrounds.com/company/ethera) Ethera Labs is a French technology company based in Crolles, Isère, specializing in innovative sensors and air purification systems aimed at improving indoor air quality. *Founded* 2010 Crolles, France **$1.6M** last round Jan 2011
- 13 [**Airinum** AIRINUM is a Swedish health-tech and lifestyle brand founded in 2015 in Stockholm.](https://millionrounds.com/company/airinum) AIRINUM is a Swedish health-tech and lifestyle brand founded in 2015 in Stockholm. *Founded* 2015 Cheyenne, Sweden **$1.6M** last round Nov 2018
- 14 [**Cozy'Air Innovation** Cozy'Air Innovation provides analysis of the air quality..](https://millionrounds.com/company/cozy-air-innovation) Cozy'Air Innovation provides analysis of the air quality.. *Founded* 2017 Villeneuve, France **$1.5M** last round Sept 2022
- 15 [**AirQo** AirQo is an Air Quality Initiative on a mission to contribute to the improvement of urban ambient air quality by providing scientific.](https://millionrounds.com/company/airqo) AirQo is an Air Quality Initiative on a mission to contribute to the improvement of urban ambient air quality by providing scientific. *Founded* 2018 Kampala **$1.3M** last round Aug 2019
- 16 [**Air For Life** Air For Life is a UK-based company focused on improving indoor air quality through innovative, filterless air purification technology derived from NASA.](https://millionrounds.com/company/air-for-life) Air For Life is a UK-based company focused on improving indoor air quality through innovative, filterless air purification technology derived from NASA. *Founded* 2017 Wolverton, United Kingdom **$1.2M** last round Jan 2023
- 17 [**TelosAir** TelosAir, based in Potsdam, New York, specializes in indoor air quality (IAQ) monitoring through innovative IoT sensors and analytics.](https://millionrounds.com/company/telosair) TelosAir, based in Potsdam, New York, specializes in indoor air quality (IAQ) monitoring through innovative IoT sensors and analytics. *Founded* 2017 Potsdam, United States **$966K** last round May 2019
- 18 [**QuantAQ, Inc.** QuantAQ, Inc.](https://millionrounds.com/company/quantaq-inc) QuantAQ, Inc. *Founded* 2019 Somerville, United States **$760K** last round May 2022
- 19 [**femtoScale** femtoScale offers PM meters for air quality monitoring, industrial hygiene, and aerosol research.](https://millionrounds.com/company/femtoscale) femtoScale offers PM meters for air quality monitoring, industrial hygiene, and aerosol research. *Founded* 2011 Denver **$750K** last round Apr 2014
- 20 [**Sparrow Analytics** Sparrow Analytics is a Swiss cleantech startup founded in 2021, based in Chavannes-de-Bogis.](https://millionrounds.com/company/sparrow-analytics) Sparrow Analytics is a Swiss cleantech startup founded in 2021, based in Chavannes-de-Bogis. *Founded* 2021 Chavannes-de-Bogis, Switzerland **$543K** last round Mar 2024
- 21 [**inBiot Monitoring** inBiot Monitoring offers real-time monitoring of indoor air quality in buildings.](https://millionrounds.com/company/inbiot-monitoring) inBiot Monitoring offers real-time monitoring of indoor air quality in buildings. *Founded* 2018 Noain, Spain **$541K** last round Jun 2024
- 22 [**YEETC** YEETC is a high-tech enterprise that develops and manufactures miniaturized air quality sensors and intelligent products.](https://millionrounds.com/company/yeetc) YEETC is a high-tech enterprise that develops and manufactures miniaturized air quality sensors and intelligent products. *Founded* 2013 Changping **$477K** last round Apr 2018
- 23 [**ReNile** ReNile is an Egyptian agritech and environmental solution company founded in 2017, headquartered in Cairo.](https://millionrounds.com/company/renile) ReNile is an Egyptian agritech and environmental solution company founded in 2017, headquartered in Cairo. *Founded* 2017 Cairo, Egypt **$450K** last round Jan 2025
- 24 [**ambient works** ambient works is an IoT company developing air quality trackers and monitoring devices that can be operated via an app built with AI.](https://millionrounds.com/company/ambient-works) ambient works is an IoT company developing air quality trackers and monitoring devices that can be operated via an app built with AI. *Founded* - London, United Kingdom **$332K** last round Jan 2025
- 25 [**Azuna** Azuna is a Buffalo, New York-based company founded in 2018 that specializes in natural indoor air quality and odor elimination products.](https://millionrounds.com/company/azuna) Azuna is a Buffalo, New York-based company founded in 2018 that specializes in natural indoor air quality and odor elimination products. *Founded* 2018 Buffalo, United States **$300K** last round Dec 2009

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies whose own description names this theme, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

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## More lists worldwide

[See all](https://millionrounds.com/top-lists?r=Global)

[*GV* *V* *RP* **Health startups worldwide** 12,811 companies · $81B](https://millionrounds.com/top-lists/health-startups)[*O* *A* *X* **AI startups worldwide** 10,238 companies · $830B](https://millionrounds.com/top-lists/ai-startups)[*GV* *V* *RP* **Biotech startups worldwide** 7,127 companies · $70B](https://millionrounds.com/top-lists/biotech-startups)[*D* *B* *FT* **Big data startups worldwide** 3,812 companies · $220B](https://millionrounds.com/top-lists/big-data-startups)[*AF* *R* *S* **Fintech startups worldwide** 3,200 companies · $94B](https://millionrounds.com/top-lists/fintech-startups)[*O* *A* *B* **AI startups that raised in 2026** 2,922 companies · $540B in 2026](https://millionrounds.com/top-lists/ai-startups-raised-2026)[*FT* *CE* *P* **Energy providers startups worldwide** 2,808 companies · $152B](https://millionrounds.com/top-lists/energy-providers-startups)[*A* *P* *O* **Marketing tech startups worldwide** 2,728 companies · $28B](https://millionrounds.com/top-lists/marketing-tech-startups)