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water chemistry
within 25 miles
Jun 14, 2026
71 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 Marinedatabaseinvestigationstemenvironmental justiceec2020iphoneapphikingairclimateexperimentair quality indexweather datadatasciencecitizen sciencebicyclingair pollution monitoringcarbon monoxideweathernaturegirl scoutsspringglobal warmingcarbon dioxideusaandroidcommunity-based monitoringoutdoorsequitymobile applicationwinterclimate changeair pollutionsummerenvironmentsmartphone applicationparticulate matterautumnair qualityclimate monitoring
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