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 2, 2026
104 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 Marinesteminvestigationair qualityclimatescienceglobal warmingparticulate matteroutdoorswinterenvironmental justiceairair pollution monitoringsmartphone applicationmobile applicationhikingautumncitizen scienceair quality indexequityweather datausanaturespringec2020air pollutionweathergirl scoutsiphoneenvironmentcarbon monoxidesummerexperimentbicyclingcommunity-based monitoringandroidcarbon dioxideappclimate changeclimate monitoringdatadatabase
12345…

Share Your Results

Share the list by copying the link below

Copy Link