Data: IQAir; Note: Among cities with at least 500k metro-area residents; Chart: Kavya Beheraj/Axios
Last year's wildfire season made air quality worse in cities across the country — but not in Utah.
The latest: In 2023, Salt Lake had the 11th-lowest average particulate matter levels, known as PM2.5, of 103 cities reviewed by IQAir, a Swiss air quality technology company.
Ogden was 9th-lowest and Provo was 12th.
Yes, but: All three cities exceeded levels recommended by the World Health Organization.