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water chemistry
within 25 miles
Apr 18, 2026
69 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 Marinecarbon dioxidecitizen scienceair pollutionenvironmentclimategirl scoutsair pollution monitoringiphonehikingequityexperimentsmartphone applicationweatherappweather dataparticulate matterclimate changeinvestigationmobile applicationoutdoorsair quality indexdataenvironmental justiceclimate monitoringbicyclingstemautumnsummerandroiddatabasesciencenatureair qualitycarbon monoxidespringglobal warmingwinterairec2020usacommunity-based monitoring
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