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on a hike
within 25 miles
May 13, 2026
49 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 Marineweathercommunity-based monitoringair pollution monitoringcarbon monoxideinvestigationequitymobile applicationnatureautumnairenvironmentoutdoorsclimateweather dataandroidec2020smartphone applicationcarbon dioxidesummerscienceenvironmental justicecitizen scienceiphoneparticulate matterclimate changeclimate monitoringexperimentgirl scoutsdatastemair pollutionair quality indexglobal warmingair qualityspringusabicyclingappwinterdatabasehiking
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