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on a hike
within 25 miles
May 1, 2026
75 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 Marinedatabasewinterusaenvironmental justiceiphonenatureequityair pollutionairspringair qualitydatainvestigationmobile applicationair quality indexec2020stemsummerparticulate matterglobal warmingcitizen sciencescienceweathercommunity-based monitoringclimate changeclimate monitoringautumnbicyclingair pollution monitoringgirl scoutsclimatecarbon monoxideandroidoutdoorsexperimentcarbon dioxideenvironmentsmartphone applicationhikingweather dataapp
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