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hike
within 25 miles
Nov 14, 2026
45 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 Marineusaair pollution monitoringhikingappcarbon dioxideec2020mobile applicationcommunity-based monitoringsmartphone applicationwinterclimate monitoringiphoneglobal warmingclimate changenatureenvironmental justiceair quality indexexperimentinvestigationair qualitysummerequityautumndataspringcitizen sciencestemweather datadatabaseairoutdoorsclimateandroidweatherair pollutionscienceparticulate matterbicyclingenvironmentgirl scoutscarbon monoxide

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