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water chemistry
within 25 miles
Nov 18, 2025
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 Marineair qualitycommunity-based monitoringdatabasenatureinvestigationsummerweather dataautumncarbon monoxidescienceusaair quality indexgirl scoutsiphonehikingparticulate matterweatherenvironmental justiceandroidsmartphone applicationwinterair pollutionairdataenvironmentclimate changeequityoutdoorsbicyclingspringmobile applicationexperimentglobal warmingcitizen sciencestemclimateair pollution monitoringec2020appclimate monitoringcarbon dioxide
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