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water chemistry
within 25 miles
Jan 13, 2026
69 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 Marineclimate changeparticulate matterusaclimate monitoringcitizen scienceclimateair pollutionenvironmental justiceexperimentequityenvironmentmobile applicationgirl scoutsbicyclingappdataiphoneinvestigationsummerec2020winterautumnair qualityglobal warmingandroidnaturecarbon monoxidespringcarbon dioxideair pollution monitoringweatherhikingdatabasesmartphone applicationscienceoutdoorsweather datastemair quality indexcommunity-based monitoringair
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