California Code, Health and Safety Code - HSC § 42503

(a) To attain and maintain state and federal ambient air quality standards by the earliest practicable date.

(b) To protect public health and welfare from any actual or potential adverse effect which reasonably may be anticipated to occur from air pollution.

(c) To preserve, protect and enhance the air quality in national parks, national wilderness areas, national monuments, national seashores, and other areas of special national or regional natural, recreational, scenic, or historic value.

(d) To ensure that economic growth will occur in a manner consistent with the preservation of existing clean air resources.

(e) To ensure that emissions from any source in the state will not interfere with any portion of the applicable implementation plan to prevent significant deterioration of air quality for this or any other state.

(f) To ensure that any decision to permit increased air pollution in any area to which this chapter applies is made only after careful evaluation of all the consequences of that decision and after adequate procedural opportunities for informed public participation in the decisionmaking process.