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
Apr 8, 2026
183 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 Marineclimate changeandroidair quality indexequityexperimentiphonehikingautumnec2020weathernatureair qualitycommunity-based monitoringenvironmental justiceair pollutioncarbon dioxidegirl scoutsoutdoorsinvestigationspringbicyclingglobal warmingappparticulate matterairclimatecitizen scienceweather dataair pollution monitoringsummerdatamobile applicationdatabasestemcarbon monoxidewinterclimate monitoringsmartphone applicationenvironmentusascience
12345…

Share Your Results

Share the list by copying the link below

Copy Link