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water chemistry
within 25 miles
May 13, 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 Marinescienceautumniphoneair pollutionmobile applicationgirl scoutscarbon dioxidecarbon monoxidesummerparticulate matterair qualitydatabaseoutdoorsenvironmentusawinterspringexperimentweather dataandroidglobal warmingenvironmental justiceclimate changestemsmartphone applicationweatherair quality indexec2020citizen sciencecommunity-based monitoringdataair pollution monitoringclimate monitoringbicyclingclimateairinvestigationequityhikingappnature
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