Duchesne County—Trend Charts
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PM 2.5
PM 10
Ozone
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Sulfur Dioxide (SO2)
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Due to the passage of weather system, the Utah Division of Air Quality indicates the possibility of wind blown dust in the area. Try to avoid outdoor activity if blowing dust is observed. People with existing heart or respiratory ailments should take proper precautions.
Last Updated: February 25, 2026 11:00 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) | PM 2.5 | Ozone |
| Good | 0 - 9.0 µg/m3 | 0 - 0.054 ppm |
| Moderate | 9.1 - 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 - 125.4 µg/m3 | 0.086 - 0.105 ppm |
| Very Unhealthy | 125.5 - 225.4 µg/m3 | 0.106 - 0.200 ppm |
| Hazardous | Above 225.5 µg/m3 | Above 0.201 ppm |
| Based on a 24-hour average. | Based on an 8-hour average. | |
What Can I Do?
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