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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 0.009 ppm 0.013 ppm 6.5 µg/m3 5.8 µg/m3 35° F N 2.0 mph
Carbon *NA 0.033 ppm 1.3 µg/m3 2.5 µg/m3 43° F NW 5.4 mph
Duchesne 0.014 ppm 0.017 ppm 4.1 µg/m3 3.7 µg/m3 39° F W 2.3 mph
Davis 0.016 ppm 0.019 ppm 4 µg/m3 5 µg/m3 43° F SE 2.6 mph
Salt Lake 0.005 ppm 0.008 ppm 3.8 µg/m3 6.3 µg/m3 40° F SE 0.8 mph
Tooele 0.024 ppm 0.021 ppm 3.9 µg/m3 4.1 µg/m3 44° F S 8.0 mph
Uintah 0.025 ppm 0.025 ppm 2.9 µg/m3 3.3 µg/m3 39° F W 5.6 mph
Wasatch 0.018 ppm 0.025 ppm 2.4 µg/m3 3.4 µg/m3 33° F E 2.6 mph
Washington 0.03 ppm 0.031 ppm 1 µg/m3 1.5 µg/m3 53° F NE 7.4 mph
Harrisville 0.003 ppm 0.011 ppm 4.8 µg/m3 4.6 µg/m3 41° F N 1.1 mph
Lindon 0.011 ppm 0.017 ppm 5.4 µg/m3 5.7 µg/m3 42° F E 2.0 mph
Grand 0.018 ppm 0.021 ppm 1.7 µg/m3 3.1 µg/m3 44° F SE 1.7 mph
Iron 0.006 ppm 0.012 ppm 7.4 µg/m3 5.1 µg/m3 39° F S 2.0 mph
Brigham City 0.008 ppm 0.017 ppm 4 µg/m3 3.8 µg/m3 39° F SW 1.4 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.