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water chemistry
within 25 miles
Aug 11, 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 Marineenvironmenthikingdatabaseenvironmental justiceandroidnatureclimateiphoneusaair quality indexair pollutioncitizen scienceec2020community-based monitoringdatasmartphone applicationbicyclingequitysciencestemoutdoorsgirl scoutsmobile applicationappwinterclimate changecarbon monoxidespringinvestigationglobal warmingexperimentweather datasummercarbon dioxideweatherairair qualityautumnair pollution monitoringclimate monitoringparticulate matter
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