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Ozone
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Individuals are asked to voluntarily TravelWise by consolidating trips and choose cleaner transportation options. Limit volatile organic compound (VOC) emissions. Smoke from wild fires could cause high concentrations of particulate matter. If smoke becomes thick, persons with existing heart or respiratory ailments should reduce physical exertion and outdoor activity. Wild Fire Outlooks. There is a possibility of blowing dust along due to strong winds. Try to avoid outdoor activity if blowing dust is observed. People with existing heart or respiratory ailments should take proper precautions.
Last Updated: July 30, 2026 3:00 AM
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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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