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on a hike
within 25 miles
Apr 27, 2026
86 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 Marineinvestigationsciencecitizen scienceappair pollutionclimateexperimentweatherequityoutdoorsweather datadatabaseec2020environmentsmartphone applicationair qualitymobile applicationbicyclingstemsummerdataandroidcommunity-based monitoringair quality indexautumngirl scoutsparticulate matterclimate changeclimate monitoringglobal warminghikingcarbon monoxideairnaturecarbon dioxidewinterusaiphoneair pollution monitoringspringenvironmental justice
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