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water chemistry
within 25 miles
May 12, 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 Marineautumnexperimentair pollution monitoringairsummerbicyclingdatabaseair qualitysmartphone applicationweatherhikingstemec2020winterequityenvironmentair pollutionclimatenatureinvestigationweather dataclimate changescienceiphoneenvironmental justicespringappcitizen scienceandroidair quality indexglobal warmingusaclimate monitoringdataparticulate mattercommunity-based monitoringgirl scoutsmobile applicationcarbon dioxideoutdoorscarbon monoxide
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