South Coast AQMD Company Information

Profile

South Coast Air Quality Management District (South Coast AQMD) is one of the largest and most technologically sophisticated environmental regulatory agencies in the nation. We serve a four-county region that includes all of Orange County and parts of Los Angeles, Riverside, and San Bernardino counties, home to more than 17 million people. South Coast AQMD's headquarters is located in Diamond Bar, 30 miles east of downtown Los Angeles, at the junction of the 57 and 60 freeways.