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on a hike
within 25 miles
May 3, 2026
75 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 Marinecarbon monoxideclimate changeparticulate matteriphonebicyclingdataair pollutionstemscienceair pollution monitoringclimate monitoringmobile applicationweather datacommunity-based monitoringusaenvironmental justicenatureinvestigationairenvironmentautumnandroiddatabasesmartphone applicationcarbon dioxidesummerwinterclimateweatherspringair quality indexappequityexperimentgirl scoutsglobal warminghikingoutdoorscitizen scienceec2020air quality
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