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Due to the passage a of weather system, the Utah Division of Air Quality indicates the possibility of wind blown dust. Try to avoid outdoor activity if blowing dust is observed. People with existing heart or respiratory ailments should take proper precautions.
Last Updated: September 16, 2026 9:00 PM
(Data Not Quality Assured)
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Download the UtahAir app on: | Action Forecast |
|---|
Unrestricted Action |
Voluntary Action |
Mandatory Action |
| Health Forecast | |||
|---|---|---|---|
| Air Quality Index (AQI) | Ozone | PM 2.5 | PM 10 |
| Good | 0 - 0.054 ppm | 0 - 9.0 µg/m3 | 0 - 54.0 µg/m3 |
| Moderate | 0.055 - 0.070 ppm | 9.1 - 35.4 µg/m3 | 54.1 - 154.0 µg/m3 |
| Unhealthy for Sensitive Groups | 0.071 - 0.085 ppm | 35.5 - 55.4 µg/m3 | 154.1 - 254.0 µg/m3 |
| Unhealthy | 0.086 - 0.105 ppm | 55.5 - 125.4 µg/m3 | 254.1 - 354.0 µg/m3 |
| Very Unhealthy | 0.106 - 0.200 ppm | 125.5 - 225.4 µg/m3 | 354.1 - 424.0 µg/m3 |
| Hazardous | Above 0.201 ppm | Above 225.5 µg/m3 | Above 424.1 µg/m3 |
| Based on an 8-hour average. | Based on a 24-hour average. | Based on a 24-hour average. | |
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