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water chemistry
within 25 miles
Jul 25, 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 Marineiphoneusagirl scoutsdataappec2020androidair pollution monitoringcarbon dioxideinvestigationenvironmental justiceair qualityoutdoorscarbon monoxidespringequityair pollutionstemclimate changecitizen scienceenvironmenthikingclimate monitoringcommunity-based monitoringwinterclimatebicyclingweather datasciencedatabaseautumnexperimentglobal warmingweathernatureairparticulate mattersmartphone applicationair quality indexmobile applicationsummer
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