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water chemistry
within 25 miles
May 11, 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 Marinesummerair pollution monitoringspringcarbon dioxideair pollutionandroidair qualitycarbon monoxideexperimentnatureequitydatastemgirl scoutsclimateinvestigationappwinterglobal warmingcitizen scienceweather dataairbicyclingec2020sciencedatabaseautumnweatherparticulate matterair quality indexenvironmenthikingusaenvironmental justiceiphonesmartphone applicationclimate monitoringcommunity-based monitoringclimate changemobile applicationoutdoors
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