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hiking
within 25 miles
Apr 26, 2026
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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 Marineec2020citizen scienceair qualityoutdoorsiphonebicyclingair quality indexair pollutiondatabaseenvironmental justicewinterhikingairsmartphone applicationsciencenaturespringclimate changeair pollution monitoringglobal warmingmobile applicationenvironmentstemweather datacarbon dioxideandroidcommunity-based monitoringsummerclimateinvestigationgirl scoutsappdataweatherautumnparticulate matterequityexperimentusaclimate monitoringcarbon monoxide
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