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hiking
within 25 miles
Apr 11, 2026
188 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 Marinesmartphone applicationhikingstemsummerparticulate matterclimate changecommunity-based monitoringenvironmentair pollutionscienceiphonenatureair quality indexglobal warmingenvironmental justicedatabasecarbon monoxidedatacarbon dioxideoutdoorsairair pollution monitoringspringcitizen scienceequityair qualitymobile applicationweather dataweatherec2020usabicyclinggirl scoutsandroidappclimate monitoringclimateinvestigationwinterautumnexperiment
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