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Current Conditions
Forecast
Current
Trends

A quick glance of the current air pollution levels and meteorological values.

County Ozone 1-Hr Ozone 8-Hr PM 2.5 1-Hr PM 2.5 24-Hr Temperature Wind
Cache 0.05 ppm 0.046 ppm 4.3 µg/m3 4.2 µg/m3 87° F S 3.5 mph
Carbon 0.063 ppm 0.060 ppm 2.2 µg/m3 2.3 µg/m3 84° F SE 5.8 mph
Duchesne 0.06 ppm 0.057 ppm 3.2 µg/m3 4.1 µg/m3 86° F SE 5.6 mph
Davis 0.067 ppm 0.061 ppm 3.2 µg/m3 4.6 µg/m3 90° F NW 4.3 mph
Salt Lake 0.059 ppm 0.058 ppm 2.8 µg/m3 3.7 µg/m3 90° F W 2.8 mph
Tooele 0.063 ppm 0.058 ppm 4.9 µg/m3 4.6 µg/m3 88° F N 6.4 mph
Uintah 0.06 ppm 0.056 ppm 1.9 µg/m3 3.6 µg/m3 85° F SE 6.1 mph
Wasatch 0.061 ppm 0.053 ppm 3.1 µg/m3 3.2 µg/m3 85° F SW 9.3 mph
Washington 0.056 ppm 0.051 ppm 2.9 µg/m3 3.9 µg/m3 95° F N 5.0 mph
Harrisville 0.063 ppm 0.057 ppm 3.4 µg/m3 3.5 µg/m3 87° F NW 4.0 mph
Lindon 0.059 ppm 0.054 ppm 2.3 µg/m3 6 µg/m3 88° F S 3.7 mph
Grand 0.058 ppm 0.055 ppm 0.4 µg/m3 3.2 µg/m3 94° F NW 5.1 mph
Iron 0.053 ppm 0.051 ppm 2.4 µg/m3 4 µg/m3 85° F SW 5.2 mph
Brigham City 0.056 ppm 0.056 ppm 3.5 µg/m3 3.4 µg/m3 88° F SW 7.0 mph
 
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.