List of California air districts

In 1947, the State of California enacted the Air Pollution Control Act that authorized the creation of Air Pollution Control Districts (APCD) or Air Quality Management Districts (AQMD) in every county of the State. California has 23 APCD and 12 AQMDs for a total of 35 districts:

List of California air districts

In 1947, the State of California enacted the Air Pollution Control Act that authorized the creation of Air Pollution Control Districts (APCD) or Air Quality Management Districts (AQMD) in every county of the State. California has 23 APCD and 12 AQMDs for a total of 35 districts: