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water chemistry
within 25 miles
Feb 25, 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 Marinecommunity-based monitoringsmartphone applicationenvironmental justicebicyclingclimate changecarbon dioxideoutdoorsgirl scoutsclimatedatanatureair pollution monitoringair quality indexinvestigationwinteriphoneair qualityclimate monitoringhikingweatherusaequityairmobile applicationcitizen sciencecarbon monoxidestemec2020sciencespringsummerdatabaseautumnexperimentglobal warmingappweather dataparticulate matterandroidair pollutionenvironment
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