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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 0.018 ppm 0.029 ppm 4.6 µg/m3 4 µg/m3 68° F N 3.2 mph
Carbon 0.027 ppm 0.035 ppm 3.7 µg/m3 4 µg/m3 74° F NE 2.7 mph
Duchesne 0.024 ppm 0.026 ppm 8.9 µg/m3 5.6 µg/m3 75° F N 3.1 mph
Davis 0.022 ppm 0.035 ppm 9.8 µg/m3 6.3 µg/m3 77° F N 1.3 mph
Salt Lake 0.048 ppm 0.045 ppm 4.4 µg/m3 6.1 µg/m3 83° F E 5.8 mph
Tooele 0.038 ppm 0.036 ppm 4.2 µg/m3 5 µg/m3 79° F SE 10.9 mph
Uintah 0.031 ppm 0.035 ppm 8.4 µg/m3 4.4 µg/m3 76° F NW 3.9 mph
Wasatch 0.028 ppm 0.027 ppm 4.7 µg/m3 4.6 µg/m3 66° F S 1.4 mph
Washington 0.029 ppm 0.028 ppm 8.8 µg/m3 4.7 µg/m3 86° F NE 5.1 mph
Harrisville 0.05 ppm 0.053 ppm 1.3 µg/m3 3.7 µg/m3 83° F E 9.9 mph
Lindon 0.023 ppm 0.029 ppm 8.7 µg/m3 5.6 µg/m3 72° F E 1.5 mph
Grand 0.034 ppm 0.048 ppm *NA *NA 83° F S 1.8 mph
Iron 0.015 ppm 0.022 ppm 6.1 µg/m3 6.2 µg/m3 70° F S 2.0 mph
Brigham City 0.026 ppm 0.043 ppm 3.8 µg/m3 4.3 µg/m3 76° F NW 1.3 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.