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hiking
within 25 miles
Apr 13, 2026
182 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 Marineclimate changecitizen scienceautumnclimate monitoringairappcarbon dioxideweather dataair qualitysmartphone applicationgirl scoutsweatherair pollution monitoringsciencedatabasehikingbicyclingenvironmentandroidequityair quality indexcommunity-based monitoringoutdoorsec2020climatecarbon monoxideinvestigationstemnaturewinterglobal warmingusamobile applicationexperimentparticulate mattersummerspringenvironmental justiceiphoneair pollutiondata
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