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on a hike
within 25 miles
May 2, 2026
75 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 Marineequityappair pollutionstemcommunity-based monitoringgirl scoutsclimate monitoringglobal warmingcarbon monoxideclimate changewinterspringair quality indexair pollution monitoringoutdoorssmartphone applicationmobile applicationiphoneaircarbon dioxidesummercitizen sciencedatabasebicyclingandroiddatascienceinvestigationair qualityhikingweatherautumnweather datausaenvironmentnatureclimateparticulate matterec2020environmental justiceexperiment
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