NO—Trend Charts
Trend Charts
PM 2.5
PM 10
Ozone
Nitrogen Oxides (NO)
Carbon Monoxide (CO)
Sulfur Dioxide (SO2)
Temperature
Relative Humidity
Wind
Solar Radiation
Solid fuel burning devices must not be used. Open burning may not occur; including fire pits, fire rings, and campfires. Reduce vehicle use by consolidating trips.
Last Updated: July 19, 2018 9:00 AM
(Data Not Quality Assured)
Phone forecasts for all counties 801-536-0072 or toll-free 1-800-228-5434.
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Download the UtahAir app on: | 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. | |