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Salt Lake County—Current Conditions

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(updated hourly)

PM 2.5





0° F



As with temperature, air pollution varies throughout the day.

Web cam courtesy of the
University of Utah / TimeScience



The data displayed on this page represents the current air pollution levels and meteorological values, and is not quality assured. For quality assured data please visit

Particulate matter (PM), also known as particle pollution, is a complex mixture of extremely small dust and soot particles. For more information visit Air Pollutants: Particulate Matter.

Ozone (O3) is formed when hydrocarbons and nitrogen oxides chemically react in the presence of sunlight and heat. For more information visit Air Pollutants: Ozone.

Phone App

Look for the Utah Air phone app on Android and iPhone stores.