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water chemistry
within 25 miles
Apr 27, 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 Marineclimateair quality indexbicyclingair qualityhikingec2020carbon monoxideenvironmental justiceexperimentparticulate matterandroidspringweatherweather dataglobal warmingiphoneair pollution monitoringautumnair pollutionairgirl scoutsclimate changeinvestigationwinterstemcommunity-based monitoringappmobile applicationdatabaseclimate monitoringcarbon dioxidesummerusaenvironmentnaturedatascienceoutdoorsequitycitizen sciencesmartphone application
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