PM 10—Trend Charts

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

PM 2.5 PM 10 Ozone Nitrogen Oxides (NO) Carbon Monoxide (CO) Sulfur Dioxide (SO2) Temperature Relative Humidity Wind Solar Radiation

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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.