California's Imperial Valley Fails to Meet Air Quality Standards for Particulate Matter, to be Reclassified as Serious Nonattainment Area

Summary

The California Air Resources Board has determined that the Imperial Valley Planning Area does not meet the state's air quality standards for particulate matter of 10 microns or less, leading to its reclassification as a serious nonattainment area, a designation that will require more stringent emissions controls and regulations.