The Chicago-Naperville, IL-IN-WI ozone nonattainment area failed to attain the 2008 ozone NAAQS by the attainment date of July 20, 2018.   The area, which is currently classified as “Moderate” for the 2008 ozone NAAQS, will automatically be bumped-up to a “Serious” classification upon the effective date of the final reclassification notice.  The Chicago area joins…