The U's Efforts to Combat Utah's Poor Air Quality — Chrony
Provo, Logan and Salt Lake City, Utah were each recently designated as nonattainment areas by the Environmental Protection Agency due to their consistently poor air quality. The EPA determines non-attainment designation when an area repeatedly breaches the National Ambient Air Quality Standards. This happens when particles associated with smoke or other combustion products small...
Source: dailyutahchronicle.com