Counties Designated Nonattainment for PM-2.5 and/or 8-hour Ozone Standard 08/2008 Designated Nonattainment | | PM-2.5 Only | | PM-2.5 and 8-hour Ozone | | 8-hour Ozone Only Several counties have only a portion of their county designated nonattainment. These counties are represented as whole counties on this map. ------- |