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hiking
within 25 miles
Nov 5, 2026
45 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!

  • Ongoing
Citizen ScienceNature & OutdoorsGeographyEducationCrowd FundingTransportationEcology & EnvironmentComputers & TechnologyClimate & WeatherChemistryOcean Water Marineair pollutionec2020databasestemgirl scoutsclimate changeair pollution monitoringoutdoorsinvestigationsciencewinteriphoneair quality indexcarbon dioxideglobal warmingdatacitizen scienceenvironmentair qualitycarbon monoxidebicyclingandroidexperimentairequityclimate monitoringparticulate mattersummercommunity-based monitoringenvironmental justicenatureclimateappusahikingspringmobile applicationautumnweatherweather datasmartphone application

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