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water chemistry
within 25 miles
Nov 30, 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 pollution monitoringandroidoutdoorscarbon dioxideclimatebicyclingair quality indexparticulate matterairsummerclimate monitoringgirl scoutssteminvestigationclimate changecarbon monoxidecommunity-based monitoringnaturedatabasewinterspringexperimentenvironmental justiceautumnequitysmartphone applicationappsciencehikingec2020datamobile applicationiphoneusaweatherglobal warmingcitizen scienceair pollutionair qualityenvironmentweather data
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