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water quality
within 25 miles
Nov 7, 2026
138 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 Marinecarbon monoxideweatherair qualityiphoneinvestigationair pollutionclimate changeandroidparticulate matterwinterair quality indexsciencesummergirl scoutsairstemcarbon dioxideclimate monitoringspringec2020weather dataexperimentbicyclingclimatenatureenvironmentglobal warmingoutdoorsappdatabaseautumncitizen sciencesmartphone applicationusahikingequityenvironmental justicecommunity-based monitoringmobile applicationdataair pollution monitoring
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