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water chemistry
within 25 miles
Jan 14, 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 Marineandroidspringweather dataparticulate matterairappcarbon monoxideenvironmental justicecitizen scienceiphonecommunity-based monitoringexperimentequityenvironmentclimate changesummermobile applicationair pollution monitoringhikingusagirl scoutsair qualitybicyclingclimateec2020climate monitoringsmartphone applicationair quality indexair pollutiondatadatabaseoutdoorsweatherinvestigationnatureautumnstemglobal warmingsciencecarbon dioxidewinter
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