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water chemistry
within 25 miles
Jan 24, 2026
68 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 Marineenvironmental justiceautumniphoneusanatureparticulate matterair pollutionoutdoorsexperimentec2020scienceair pollution monitoringclimatecommunity-based monitoringenvironmentmobile applicationweathersmartphone applicationcitizen sciencehikingweather databicyclingwinterandroidspringair quality indexinvestigationgirl scoutscarbon dioxidecarbon monoxideglobal warmingair qualityequityclimate changeclimate monitoringappdataairsummerdatabasestem
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