Salt Lake County—Current Conditions
February 26, 2021 10:00 PM (updated hourly)
PM 2.51.6 µg/m3
WindW 11.2 mph
As with temperature, air pollution varies throughout the day.
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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 https://www.epa.gov/outdoor-air-quality-data.
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.
|Air Quality Index (AQI)||PM 2.5||Ozone|
|Good||0 - 12.0 µg/m3||0 - 0.054 ppm|
|Moderate||12.1 - 35.4 µg/m3||0.055 - 0.070 ppm|
|Unhealthy for Sensitive Groups||35.5 - 55.4 µg/m3||0.071 - 0.085 ppm|
|Unhealthy||55.5 - 150.4 µg/m3||0.086 - 0.105 ppm|
|Very Unhealthy||150.5 - 250.4 µg/m3||0.106 - 0.200 ppm|
|Hazardous||Above 250.5 µg/m3||Above 0.201 ppm|
|Based on a 24-hour average.||Based on an 8-hour average.|