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water chemistry
within 25 miles
May 18, 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 Marinecarbon monoxideair qualityoutdoorsglobal warmingenvironmentbicyclingenvironmental justicecitizen scienceiphoneparticulate matterair quality indexcarbon dioxideweatherautumnwinterair pollutiondatascienceinvestigationweather datadatabaseclimate monitoringcommunity-based monitoringclimate changemobile applicationandroidstemspringequityexperimenthikingairclimateusasummerec2020smartphone applicationgirl scoutsair pollution monitoringappnature
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