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water chemistry
within 25 miles
Feb 25, 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 Marinespringoutdoorssummerscienceexperimentweather datacitizen sciencedatabaseglobal warmingair pollutionairenvironmentusaappwintergirl scoutsmobile applicationnatureair quality indexandroidinvestigationequityair qualitycommunity-based monitoringcarbon dioxidebicyclingenvironmental justiceair pollution monitoringsmartphone applicationclimate changeweatherclimate monitoringautumnstemdataclimateec2020carbon monoxideiphoneparticulate matterhiking
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