Salt Lake County—Current Conditions
February 26, 2021 10:00 PM (updated hourly)
PM 2.5
1.6 µg/m3Ozone
0.041 ppmTemperature
33° FWind
W 11.2 mphAs with temperature, air pollution varies throughout the day.
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Download the UtahAir app on: Explanation
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.
| Action Forecast |
|---|
Unrestricted Action |
Voluntary Action |
Mandatory Action |
| Health Forecast | ||
|---|---|---|
| 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. | |
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