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within 25 miles
Sep 18, 2025
142 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 Marineandroidair quality indexenvironmental justicecitizen sciencedatabaseparticulate matteriphonecarbon monoxidespringweatherstemairair pollution monitoringwintergirl scoutsbicyclingexperimentsmartphone applicationglobal warmingclimate changeoutdoorssummerclimate monitoringcarbon dioxidecommunity-based monitoringhikingscienceweather datamobile applicationair pollutionec2020air qualityenvironmentnatureappusaautumninvestigationequityclimatedata
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