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water chemistry
within 25 miles
Dec 16, 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 Marineec2020air pollution monitoringnatureclimate monitoringdataenvironmental justiceairenvironmentstemclimateinvestigationsummerequitybicyclingiphoneautumnair pollutionspringclimate changeappcommunity-based monitoringcarbon monoxideair quality indexwinterandroidair qualitydatabasecitizen sciencesmartphone applicationglobal warmingscienceweather dataparticulate matterexperimentoutdoorscarbon dioxideweatherhikinggirl scoutsmobile applicationusa
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