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hiking
within 25 miles
Jul 3, 2025
154 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 Marineenvironmental justicescienceclimateusaweather dataappoutdoorscarbon monoxideair pollution monitoringwinterexperimentclimate changecitizen sciencecommunity-based monitoringenvironmentequitycarbon dioxidenaturesummerspringdatamobile applicationiphoneair quality indexairparticulate mattersmartphone applicationinvestigationandroidstemweatherair pollutiongirl scoutsdatabaseglobal warmingec2020autumnclimate monitoringbicyclingair qualityhiking
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