Current

Cache County—Trend Charts

Cache Carbon Davis Duchesne Iron Salt Lake Tooele Uintah Utah Washington Weber / Box Elder

PM 2.5 Ozone Nitrogen Oxides (NO) Carbon Monoxide (CO) Sulfur Dioxide (SO2) Temperature Relative Humidity Wind Solar Radiation

Health Forecast
Air Quality Index (AQI)	PM 2.5	Ozone
Good	0 - 12.0 µg/m³	0 - 0.054 ppm
Moderate	12.1 - 35.4 µg/m³	0.055 - 0.070 ppm
Unhealthy for Sensitive Groups	35.5 - 55.4 µg/m³	0.071 - 0.085 ppm
Unhealthy	55.5 - 150.4 µg/m³	0.086 - 0.105 ppm
Very Unhealthy	150.5 - 250.4 µg/m³	0.106 - 0.200 ppm
Hazardous	Above 250.5 µg/m³	Above 0.201 ppm
	Based on a 24-hour average.	Based on an 8-hour average.