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hiking
within 25 miles
Apr 20, 2026
168 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 Marinecommunity-based monitoringsmartphone applicationbicyclingclimateglobal warmingiphonemobile applicationweather dataclimate changeair quality indexexperimentec2020air pollutiongirl scoutsenvironmental justicecarbon dioxidesummeroutdoorsusadatadatabaseair pollution monitoringwintercarbon monoxideairequityenvironmentautumnweatherspringnaturescienceair qualityappstemparticulate matterclimate monitoringcitizen sciencehikinginvestigationandroid
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