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water chemistry
within 25 miles
May 20, 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 Marinespringdatanatureclimate monitoringparticulate mattersmartphone applicationhikingclimate changeair quality indexexperimentdatabaseandroidstemusaairinvestigationcommunity-based monitoringair pollutioncarbon dioxideec2020environmental justiceair qualityoutdoorsglobal warmingappcarbon monoxidesciencegirl scoutsweatherautumnair pollution monitoringclimatesummerwinterweather datamobile applicationcitizen scienceiphoneequitybicyclingenvironment
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