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on a hike
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 Marinesummerclimateoutdoorsusacarbon dioxidecarbon monoxideglobal warmingair qualityautumnenvironmentexperimentparticulate matterec2020climate changeandroidair pollution monitoringair pollutionsmartphone applicationsciencebicyclingstemwinterdatabasespringappweathernatureairdatacommunity-based monitoringinvestigationcitizen scienceequityenvironmental justiceweather dataclimate monitoringgirl scoutsiphonehikingair quality indexmobile application
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