Policy for Outdoor Air Quality

Environmental policy and legislation in San Francisco

Outdoor air quality refers to the air surrounding us when we are outdoors.  Also known as ambient air quality, it is affected by weather conditions, wind, and the distance from major sources of pollution such as industrial facilities and the traffic on nearby freeways.

Chapter 25 Clean Construction Requirements for Public Works
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The Clean Construction Ordinance contains requirements for project sites in the Air Pollutant Exposure Zone.