We're in beta! If you find a bug or have feedback, let us know in our issue tracker.

Search Opportunities
hiking
within 25 miles
Nov 13, 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 Marineenvironmentgirl scoutsautumnparticulate matterwinterequityweather datanatureandroiddataoutdoorsmobile applicationclimate monitoringair quality indexec2020climate changesciencecarbon dioxideinvestigationglobal warmingsmartphone applicationenvironmental justiceappsummercommunity-based monitoringair qualitystemweatherusaclimateexperimentair pollution monitoringspringdatabasecarbon monoxidecitizen sciencehikingbicyclingair pollutioniphoneair

Share Your Results

Share the list by copying the link below

Copy Link