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Box Elder Cache Carbon Davis Duchesne Grand Iron Salt Lake Tooele Uintah Utah Wasatch Washington Weber
PM 2.5 PM 10 Ozone Nitrogen Oxides (NO) Carbon Monoxide (CO) Sulfur Dioxide (SO2) Temperature Wind Solar Radiation

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

Last Updated: August 6, 2026 2:00 AM
(Data Not Quality Assured)

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Action Forecast
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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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Read the Solid Fuel Burning Devices Rule R307-302

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