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water chemistry
within 25 miles
Dec 14, 2025
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 Marineec2020environmentusasummerclimatescienceiphoneweatherglobal warmingairclimate monitoringdatabaseair qualitybicyclingandroidclimate changehikingstemexperimentenvironmental justiceequityautumncommunity-based monitoringgirl scoutscitizen sciencedataweather dataoutdoorsnatureinvestigationparticulate matterair pollution monitoringcarbon dioxidesmartphone applicationwinterspringair quality indexappcarbon monoxidemobile applicationair pollution
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