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hiking
within 25 miles
May 8, 2026
70 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 Marineair quality indexnatureandroidenvironmentiphoneairautumnusaglobal warmingequityair qualitycommunity-based monitoringair pollution monitoringdatabasecarbon dioxideinvestigationoutdoorsparticulate matterscienceexperimentenvironmental justicegirl scoutsclimate monitoringwinterair pollutioncitizen sciencehikingweathersummersmartphone applicationcarbon monoxidemobile applicationec2020dataclimateclimate changestemspringweather databicyclingapp
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