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water chemistry
within 25 miles
Jun 26, 2026
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 Marineinvestigationweathercarbon monoxidesummerclimate changehikingequityparticulate matterec2020appexperimentair quality indexairgirl scoutswinterusaweather dataenvironmentspringiphoneandroidcitizen sciencebicyclingair pollution monitoringcarbon dioxidescienceautumndatabaseclimate monitoringdatanatureair pollutioncommunity-based monitoringoutdoorsmobile applicationglobal warmingstemclimatesmartphone applicationair qualityenvironmental justice
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