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water chemistry
within 25 miles
Feb 21, 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 Marinehikingappclimate changesummerclimateautumnparticulate matterwinterclimate monitoringbicyclinginvestigationcarbon monoxidecarbon dioxidedatabasenaturecommunity-based monitoringexperimentiphoneair quality indexglobal warmingweatherweather dataoutdoorsandroidequitygirl scoutsdataspringec2020environmentcitizen sciencesmartphone applicationair pollutionscienceair pollution monitoringmobile applicationenvironmental justiceusaairair qualitystem
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