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hiking
within 25 miles
Sep 15, 2025
113 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 Marineenvironmentdatabasescienceinvestigationoutdoorsenvironmental justicebicyclingsummerair pollutionweather dataparticulate mattersmartphone applicationclimatestemmobile applicationandroidair quality indexgirl scoutsclimate changeexperimentwinterdataairclimate monitoringweatherair pollution monitoringappglobal warmingiphoneec2020community-based monitoringequitycarbon dioxidehikingusaautumnair qualityspringcitizen sciencenaturecarbon monoxide
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