An official website of the state of Utah
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 0.017 ppm 0.028 ppm 8.1 µg/m3 7.4 µg/m3 42° F N 2.3 mph
Carbon 0.027 ppm 0.034 ppm 1.9 µg/m3 2.4 µg/m3 44° F N 4.4 mph
Duchesne 0.011 ppm 0.027 ppm 6.5 µg/m3 5.7 µg/m3 42° F W 2.2 mph
Davis 0.025 ppm 0.031 ppm 3.5 µg/m3 4.6 µg/m3 49° F E 3.3 mph
Salt Lake 0.005 ppm 0.020 ppm 7.8 µg/m3 5.7 µg/m3 46° F N 1.5 mph
Tooele 0.032 ppm 0.032 ppm 2.6 µg/m3 4.2 µg/m3 52° F S 11.7 mph
Uintah 0.023 ppm 0.026 ppm 2.7 µg/m3 3.9 µg/m3 42° F W 6.4 mph
Wasatch 0.023 ppm 0.032 ppm 2.8 µg/m3 2.9 µg/m3 42° F E 2.6 mph
Washington 0.028 ppm 0.038 ppm 4.9 µg/m3 1.6 µg/m3 56° F NE 2.5 mph
Harrisville 0.018 ppm 0.028 ppm 4.6 µg/m3 4.7 µg/m3 45° F NE 1.8 mph
Lindon 0.021 ppm 0.027 ppm 2.9 µg/m3 5.2 µg/m3 48° F E 2.3 mph
Grand 0.014 ppm 0.015 ppm 5.5 µg/m3 5.3 µg/m3 51° F SE 2.3 mph
Iron 0.037 ppm 0.031 ppm 1.8 µg/m3 3.8 µg/m3 50° F S 6.3 mph
Brigham City 0.021 ppm 0.030 ppm 2.5 µg/m3 5.1 µg/m3 51° F NE 2.2 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.