Main Menu Utah Department of Environmental Quality
Forecast   Current   Trends
DEQ Home > DAQ Home > Trend Charts

SO2—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

A possibility of blowing dust. Try to avoid outdoor activity if blowing dust is observed. People with existing heart or respiratory ailments should take proper precautions.

Last Updated: April 12, 2026 6:00 PM
(Data Not Quality Assured)

graphing
graphing
graphing
graphing
graphing
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.

Historical Data

What Can I Do?