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on a hike
within 25 miles
Nov 4, 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!

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Citizen ScienceNature & OutdoorsGeographyEducationCrowd FundingTransportationEcology & EnvironmentComputers & TechnologyClimate & WeatherChemistryOcean Water Marineinvestigationair qualityweatherappclimate changeair pollution monitoringequitystemair quality indexsmartphone applicationiphoneclimate monitoringglobal warmingenvironmentmobile applicationspringcarbon monoxidedataec2020airgirl scoutsweather datausaair pollutioncarbon dioxidesciencedatabasenatureclimateautumnsummerenvironmental justiceparticulate mattercommunity-based monitoringoutdoorshikingexperimentandroidwinterbicyclingcitizen science

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