Last Updated: April 20, 2019 07:18:20
| County | Sat. Apr. 20 2019 | Sun. Apr. 21 2019 | Mon. Apr. 22 2019 | Advisory Message |
|---|---|---|---|---|
| Salt Lake | Moderate | Good | Good | |
Unrestricted |
Unrestricted |
Unrestricted |
||
| Davis | Moderate | Good | Good | |
|
Unrestricted |
Unrestricted |
Unrestricted |
||
| Utah | Moderate | Good | Good | |
|
Unrestricted |
Unrestricted |
Unrestricted |
||
| Weber | Moderate | Good | Good | |
|
Unrestricted |
Unrestricted |
Unrestricted |
||
| Box Elder | Moderate | Good | Good | |
|
Unrestricted |
Unrestricted |
Unrestricted |
||
| Cache | Good | Good | Good | |
|
Unrestricted |
Unrestricted |
Unrestricted |
||
| Tooele | Moderate | Good | Good | |
|
Unrestricted |
Unrestricted |
Unrestricted |
||
| Washington | Moderate | Good | Good | |
|
Unrestricted |
Unrestricted |
Unrestricted |
||
| Iron | Good | Good | Good | |
|
Unrestricted |
Unrestricted |
Unrestricted |
||
| Carbon | Moderate | Good | Good | |
|
Unrestricted |
Unrestricted |
Unrestricted |
||
| Duchesne | Moderate | Good | Good | |
|
Unrestricted |
Unrestricted |
Unrestricted |
||
| Uintah | Moderate | Good | Good | |
|
Unrestricted |
Unrestricted |
Unrestricted |
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. | |