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water chemistry
within 25 miles
Jul 22, 2026
70 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 Marineenvironmentequitydatabaseinvestigationoutdoorscommunity-based monitoringdataweatherusaairiphoneparticulate mattermobile applicationweather dataair pollution monitoringec2020summerair pollutionnaturesmartphone applicationcarbon monoxideexperimentspringair qualitywinterair quality indexhikingstemgirl scoutscarbon dioxidebicyclingscienceclimate monitoringappandroidenvironmental justiceautumnclimate changecitizen scienceclimateglobal warming
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