Incident Updates

Learn about air quality incidents in the South Coast Air Basin

When a significant air pollution event occurs within South Coast AQMD’s jurisdiction, an incident update can be found here. These updates provide a brief overview of each incident, and are not meant to take the place of an investigation. Updates will be posted as soon as information becomes available and facts are confirmed.  Not all events that occur in the region will be included here.  Please check back regularly during active incidents, as information will be updated as it becomes available.

For information on any event, please contact us at or call us at 1-800-CUT-SMOG (1-800-288-7664).

2020 Incident Reports

FileTypeSizeUploaded onDownload
Marathon Refinery Fire Update - February 27, 2020PDF435.50 KB28 Feb, 2020 Download
Marathon Refinery Fire - February 2020PDF220.68 KB26 Feb, 2020 Download

2019 Incident Reports

FileTypeSizeUploaded onDownload
Phillips 66 Refinery Fire March 2019PDF146.86 KB07 Nov, 2019 Download
Phillips 66 Refinery Fire May 2019PDF148.56 KB07 Nov, 2019 Download
Thermal 66 Fire May 2019PDF150.11 KB07 Nov, 2019 Download

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21865 Copley Dr, Diamond Bar, CA 91765



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