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water chemistry
within 25 miles
Feb 22, 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 Marinesciencehikingandroidparticulate mattersummerequityair pollutionweather dataiphoneglobal warmingair pollution monitoringoutdoorsclimate changecarbon monoxidecarbon dioxidemobile applicationcitizen scienceair qualityspringair quality indexweathergirl scoutsenvironmental justiceec2020autumninvestigationwinterdatasmartphone applicationappcommunity-based monitoringstemairclimate monitoringbicyclingexperimentnaturedatabaseclimateenvironmentusa
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