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on a hike
within 25 miles
May 1, 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 Marinespringair qualityusacarbon dioxidecitizen sciencecommunity-based monitoringhikingautumnclimate monitoringsmartphone applicationclimateinvestigationair quality indexair pollutionoutdoorsparticulate matterenvironmental justicemobile applicationweather datanatureappweatherec2020stemandroidwintersummerdatascienceair pollution monitoringdatabaseequityenvironmentclimate changeiphoneexperimentglobal warmingaircarbon monoxidegirl scoutsbicycling
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