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hiking
within 25 miles
Apr 27, 2026
86 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 Marineweatherair qualityair pollutioniphoneweather dataappwinterclimate monitoringair pollution monitoringexperimentautumnsciencemobile applicationdataenvironmental justicenaturegirl scoutssmartphone applicationhikingoutdoorsequitydatabasespringclimate changeec2020particulate mattercitizen sciencebicyclingstemglobal warmingcommunity-based monitoringcarbon monoxideenvironmentusaandroidcarbon dioxideair quality indexairsummerinvestigationclimate
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