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water chemistry
within 25 miles
Oct 21, 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 Marineandroidmobile applicationair qualityair pollution monitoringiphoneenvironmentappusaair pollutioncarbon dioxideweatherclimateautumnclimate monitoringequitysmartphone applicationenvironmental justicescienceoutdoorscommunity-based monitoringwinterclimate changeinvestigationsummerair quality indexcitizen sciencegirl scoutsdataweather dataec2020databaseparticulate matterspringstemairbicyclingexperimentnaturehikingglobal warmingcarbon monoxide
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