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on a hike
within 25 miles
Jul 18, 2025
148 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 dioxidedatabasecarbon monoxideair qualityair quality indexusascienceenvironmentoutdoorsequityiphoneair pollution monitoringinvestigationappautumncitizen sciencesummerdatawinterstemspringandroidec2020bicyclingexperimentclimate changeairhikingglobal warmingweather datacommunity-based monitoringair pollutionclimateclimate monitoringmobile applicationenvironmental justicegirl scoutsparticulate mattersmartphone applicationnatureweather
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