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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 0.047 ppm 0.026 ppm 6.1 µg/m3 5.3 µg/m3 83° F NE 2.2 mph
Carbon 0.064 ppm 0.044 ppm 5.8 µg/m3 5.8 µg/m3 87° F SE 5.4 mph
Duchesne 0.062 ppm 0.035 ppm 7.1 µg/m3 6.1 µg/m3 87° F NE 2.9 mph
Davis 0.071 ppm 0.044 ppm 6.6 µg/m3 5.3 µg/m3 91° F W 3.1 mph
Salt Lake 0.067 ppm 0.047 ppm 6.1 µg/m3 5.9 µg/m3 91° F E 3.9 mph
Tooele 0.063 ppm 0.045 ppm 1.7 µg/m3 5.2 µg/m3 94° F S 12.6 mph
Uintah 0.059 ppm 0.040 ppm 2.7 µg/m3 4.8 µg/m3 86° F E 3.7 mph
Wasatch 0.062 ppm 0.040 ppm 4.9 µg/m3 7.2 µg/m3 86° F W 3.1 mph
Washington 0.05 ppm 0.039 ppm 3.4 µg/m3 4.2 µg/m3 97° F W 2.9 mph
Harrisville 0.066 ppm 0.049 ppm 3.4 µg/m3 6.4 µg/m3 90° F SE 5.9 mph
Lindon 0.066 ppm 0.044 ppm 8.2 µg/m3 7.6 µg/m3 87° F SW 2.4 mph
Grand 0.06 ppm 0.042 ppm *NA *NA 96° F NW 3.5 mph
Iron 0.05 ppm 0.031 ppm 6.1 µg/m3 5.6 µg/m3 88° F SW 4.4 mph
Brigham City 0.065 ppm 0.040 ppm 5.7 µg/m3 6.5 µg/m3 89° F SW 9.4 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.