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water chemistry
within 25 miles
Nov 29, 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 Marineexperimentec2020climate monitoringweather dataparticulate mattergirl scoutsandroidhikingspringcarbon dioxideusaclimateappautumnweatherclimate changestemair pollutioncommunity-based monitoringdatabasecarbon monoxidedatanatureinvestigationequityenvironmental justiceglobal warmingiphonebicyclingoutdoorsairscienceenvironmentmobile applicationair pollution monitoringsummerwinterair quality indexcitizen scienceair qualitysmartphone application
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