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water chemistry
within 25 miles
Aug 21, 2025
70 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 Marinebicyclingair pollutionairglobal warmingdataclimateandroidenvironmentclimate changestemwinterweathersmartphone applicationweather datasummerclimate monitoringiphonegirl scoutsair pollution monitoringmobile applicationcarbon dioxideappec2020investigationusacarbon monoxidecitizen scienceenvironmental justiceparticulate matterautumnequityoutdoorshikingscienceair qualityspringcommunity-based monitoringair quality indexdatabasenatureexperiment
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