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water chemistry
within 25 miles
Apr 16, 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 Marinesummerbicyclingcarbon monoxideiphoneenvironmental justiceclimate changeweathernatureoutdoorsequityparticulate matteraircitizen scienceclimateair pollution monitoringgirl scoutsappcommunity-based monitoringhikingenvironmentexperimentstemmobile applicationscienceair pollutionandroidinvestigationec2020global warmingusadataclimate monitoringdatabaseweather dataair qualitywintercarbon dioxidespringair quality indexautumnsmartphone application
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