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water chemistry
within 25 miles
Jan 22, 2026
68 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 qualityhikingdataenvironmental justicecarbon dioxideair quality indexenvironmentwinterclimate monitoringexperimentweather dataspringbicyclingcarbon monoxidedatabaseclimateair pollution monitoringgirl scoutsnaturestemoutdoorscitizen scienceclimate changeairec2020iphoneappsciencesmartphone applicationmobile applicationair pollutionparticulate mattersummerequityinvestigationglobal warmingautumncommunity-based monitoringweatherusa
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