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on a hike
within 25 miles
May 9, 2026
63 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 Marinedataairdatabaseair pollution monitoringusaequityoutdoorsinvestigationair qualityparticulate matternaturecitizen scienceappair pollutiongirl scoutsclimate monitoringhikingcarbon monoxideexperimentmobile applicationsmartphone applicationscienceautumnec2020climatewinterweatherclimate changeenvironmental justiceweather datastemglobal warmingspringcarbon dioxidecommunity-based monitoringsummerbicyclingandroidair quality indexiphoneenvironment
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