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hiking
within 25 miles
Apr 25, 2026
129 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 Marinewinterclimate monitoringautumnspringglobal warmingweather datainvestigationair pollutionappoutdoorsparticulate matterequitysmartphone applicationnaturegirl scoutsairenvironmentsciencedatabaseiphoneclimatesummerair quality indexcarbon dioxideweatherhikingstemexperimentcommunity-based monitoringenvironmental justiceec2020dataclimate changeandroidcarbon monoxideair qualitymobile applicationusacitizen sciencebicyclingair pollution monitoring
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