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water chemistry
within 25 miles
Aug 22, 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 Marineusacarbon monoxidesciencedatabasebicyclingclimateoutdoorsweather dataandroidec2020girl scoutsdataclimate monitoringweatherparticulate matterhikingnatureenvironmental justiceair pollution monitoringair qualityair pollutioninvestigationequityexperimentiphoneautumnsmartphone applicationairspringair quality indexcitizen scienceappwinterstemglobal warmingcommunity-based monitoringclimate changeenvironmentsummermobile applicationcarbon dioxide
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