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hiking
within 25 miles
Apr 28, 2026
82 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 Marinestemwinterair qualityclimateairhikingoutdoorsweather datacarbon monoxideparticulate matternaturesciencecommunity-based monitoringautumnclimate monitoringusacarbon dioxideclimate changeinvestigationspringiphoneair quality indexmobile applicationair pollution monitoringgirl scoutsair pollutionandroidsummerequityenvironmentglobal warmingbicyclingdatabasecitizen scienceenvironmental justicedataec2020weatherappexperimentsmartphone application
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