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hiking
within 25 miles
Nov 6, 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 Marineclimate monitoringair qualitymobile applicationglobal warmingairstemusaclimateenvironmentequitynaturewinterdataair pollution monitoringweather datadatabaseiphoneair pollutionhikingoutdoorscitizen scienceweatherinvestigationsmartphone applicationcarbon monoxideair quality indexexperimentsummerappec2020climate changeparticulate matterenvironmental justicecommunity-based monitoringbicyclingcarbon dioxidesciencegirl scoutsspringandroidautumn

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