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hike
within 25 miles
Apr 9, 2026
182 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 Marinehikingclimate changemobile applicationglobal warmingequityairdataautumnexperimentstemclimate monitoringcarbon monoxideec2020air quality indexcitizen scienceoutdoorsenvironmental justiceair pollutiondatabaseair pollution monitoringandroidcarbon dioxideweatherclimategirl scoutsbicyclingsummerspringnatureusainvestigationwintersmartphone applicationweather dataiphoneenvironmentappair qualityparticulate mattersciencecommunity-based monitoring
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