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hiking
within 25 miles
Apr 2, 2026
104 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 Marinecommunity-based monitoringenvironmental justicecitizen sciencecarbon monoxidenaturesummerexperimentgirl scoutsairenvironmentiphoneappoutdoorssciencedatainvestigationequitymobile applicationglobal warmingcarbon dioxideclimatestemwinterclimate changesmartphone applicationandroiddatabaseusaspringair pollutionair quality indexautumnweatherparticulate matterclimate monitoringweather dataec2020air qualityair pollution monitoringbicyclinghiking
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