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water chemistry
within 25 miles
Apr 30, 2026
69 opportunities found! use fewer search filter criteria to find more opportunities

2B Technologies, Inc.

AQTreks (AirQualityTreks)

Monitor air pollution levels and map air pollution around the US

Multiple locations, including yours!

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Citizen ScienceNature & OutdoorsGeographyEducationCrowd FundingTransportationEcology & EnvironmentComputers & TechnologyClimate & WeatherChemistryOcean Water Marinebicyclingweather dataair pollutionparticulate mattercommunity-based monitoringsummerandroidweathersmartphone applicationappairdataautumnenvironmental justicecitizen scienceiphoneair qualitystemglobal warmingspringinvestigationdatabaseoutdoorscarbon monoxidenaturegirl scoutsenvironmentcarbon dioxidescienceclimate monitoringec2020hikingusaequityclimatemobile applicationexperimentair pollution monitoringair quality indexclimate changewinter
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