Temperature—Trend Charts

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 Relative Humidity Wind Solar Radiation

Smoke from wild fires could cause high concentrations of particulates. If smoke becomes thick, persons with existing heart or respiratory ailments should reduce physical exertion and outdoor activity. Wild Fire Outlooks

Last Updated: August 28, 2025 11:00 AM
(Data Not Quality Assured)

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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.

Temperature—Trend Charts

Last Updated: August 28, 2025 11:00 AM
(Data Not Quality Assured)

Historical Data

What Can I Do?

Temperature—Trend Charts

Last Updated: August 28, 2025 11:00 AM(Data Not Quality Assured)

Historical Data

What Can I Do?

Last Updated: August 28, 2025 11:00 AM
(Data Not Quality Assured)