Regulation & law · 21/12/2016Updated: 10/17/2026 · 1 min read

EPA Finalizes Determination that Eastern San Luis Obispo, California Attains 2008 Ozone National Ambient Air Quality Standards

The Environmental Protection Agency (EPA) has confirmed that the San Luis Obispo (Eastern San Luis Obispo) ozone nonattainment area in California has met the 2008 ozone National Ambient Air Quality Standards, avoiding a potential reclassification to a more stringent ozone classification, by the July 20, 2016 deadline.