carbon monoxide

within 25 miles

Apr 23, 2026

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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 Marineweatherdatacarbon dioxideair quality indexinvestigationstemclimate changeclimateair qualityhikingsmartphone applicationcarbon monoxideenvironmentenvironmental justiceair pollutionec2020girl scoutsnatureautumnappcommunity-based monitoringbicyclingscienceclimate monitoringparticulate matterair pollution monitoringcitizen sciencesummerdatabaseequityandroidiphoneexperimentwinterglobal warmingmobile applicationspringoutdoorsweather dataairusa

SETI Institute + Unistellar Citizen Science

Cometary Activity

Understand cometary behavior and structure

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Citizen ScienceAstronomy & Space

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