South Coast Air Quality Management District

21865 Copley Drive
Diamond Bar, CA 91765-4178
(909) 396-2000, Ext 3122

  • About

    Air pollution control agency for all of Orange County and the urban portions of Los Angeles, Riverside and San Bernardino counties.

  • Whom to Contact

    • Derrick Alatorre
      Deputy Executive Office
      Phone: (909) 396-2000 X-3122
    • Maria Corralejo
      Administrative Assistant
      Phone: (909) 396-2077
    • Philip Crabbe
      Senior Public Affairs Manager
      Phone: (909) 396-2000, Ext 3122
    • Aisha Reyes
      Phone: (909) 396-2000, Ext 3122