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The Air District is extending an air quality advisory for wildfire smoke through Sunday, August 27. Smoke from numerous fires in Northern and Southern California and Oregon is expected to impact air quality throughout the Bay Area on Friday, Saturday and Sunday, causing air quality to reach low-moderate on the U.S. EPA’s Air Quality Index. Smoky, hazy skies may be visible and the smell of smoke is possible. Pollutant levels are NOT expected to exceed the national 24-hour health standard and there is no Spare the Air Alert in effect.

Learn about the Air District's Complaint Policy and Procedures, and how we investigate air pollution concerns to ensure compliance with air quality rules and regulations.

The Air District is issuing an air quality advisory through Monday due to wildfires that began overnight throughout the greater Bay Area. Numerous lightning strikes have sparked wildfires across the region. Air quality may deteriorate in areas near or downwind of the fires, but PM2.5 is not expected to exceed the national 24-hour standard.

View state and federal standards for 11 air pollutants and see the Bay Area's attainment status for each pollutant.

Jul 28, 2008 ... —See NOTES on BAY AREA AIR POLLUTION SUMMARY — 2007 second page MONITORING OZONE CARBON NITROGEN SULFUR PM PM 10 2.5 MONOXIDE DIOXIDE DIOXIDE STATIONS Cal Nat Max Max Cal 3-Yr Max Max Nat/Cal Max Ann ...

Sep 5, 2012 ... BAY AREA AIR POLLUTION SUMMARY – 2011 MONITORING CARBON NITROGEN SULFUR OZONE PM PM 10 2.5 STATIONS MONOXIDE DIOXIDE DIOXIDE Max Cal Max Nat Cal 3-Yr Max Max Nat/Cal Max Ann Nat/Cal Max Max Nat/Cal ...

Aug 24, 2011 ... —See NOTES on BAY AREA AIR POLLUTION SUMMARY — 2010 second page CARBON NITROGEN SULFUR MONITORING OZONE PM PM 10 2.5 MONOXIDE DIOXIDE DIOXIDE STATIONS Cal Nat Max Max Cal 3-Yr Max Max Nat/Cal Max ...

Jun 25, 2002 ... —See notes of explanation BAY AREA AIR POLLUTION SUMMARY — 1999 on back of this sheet CARBON NITROGEN PM MONITORING OZONE SULFUR 10 MONOXIDE DIOXIDE DIOXIDE STATIONS Ann Max Nat Cal Max Nat 3-Yr Max ...

Jun 27, 2002 ... SUMMARY OF AIR POLLUTION IN THE BAY AREA - 1994 CARBON NITROGEN SULFUR OZONE PM MONOXIDE DIOXIDE DIOXIDE 10 MONITORING MAX NAT'L CAL 3-YR MAX NAT'L MAX CAL MAX CAL ANN GEO NAT'L CAL STATIONS ...

Jun 27, 2002 ... SUMMARY OF AIR POLLUTION IN THE BAY AREA - 1996 CARBON NITROGEN SULFUR OZONE PM MONOXIDE DIOXIDE DIOXIDE 10 MONITORING MAX NAT'L CAL 3-YR MAX NAT'L MAX CAL MAX CAL ANN GEO NAT'L CAL STATIONS ...

Aug 17, 2001 ... —See notes of explanation BAY AREA AIR POLLUTION SUMMARY — 2000 on back of this page CARBON NITROGEN MONITORING OZONE SULFUR PM 10 MONOXIDE DIOXIDE DIOXIDE STATIONS Ann Max Nat Cal 3-Yr Max Nat 3-Yr ...

Jul 15, 2008 ... —See NOTES on BAY AREA AIR POLLUTION SUMMARY — 2006 second page CARBON NITROGEN SULFUR MONITORING OZONE PM PM 10 2.5 MONOXIDE DIOXIDE DIOXIDE STATIONS Max Cal Max Nat Cal 3-Yr Max Max Nat/Cal Max ...

Sep 6, 2012 ... BAY AREA AIR POLLUTION SUMMARY – 2011 MONITORING CARBON NITROGEN SULFUR OZONE PM PM 10 2.5 STATIONS MONOXIDE DIOXIDE DIOXIDE Max Cal Max Nat Cal 3-Yr Max Max Nat/Cal Max Ann Nat/Cal Max Max Nat/Cal ...

Jun 27, 2002 ... SUMMARY OF AIR POLLUTION IN THE BAY AREA - 1998 OZONE CARBON NITROGEN SULFUR PM MONITORING 10 STATIONS MONOXIDE DIOXIDE DIOXIDE MAX NAT'L CAL 3-YR MAX NAT'L MAX CAL MAX CAL ANN GEO NAT'L CAL ...

Jan 12, 2016 ... BAY AREA AIR POLLUTION SUMMARY – 2013 MONITORING CARBON NITROGEN SULFUR PM PM OZONE 10 2.5 STATIONS MONOXIDE DIOXIDE DIOXIDE Max Cal Max Nat Cal 3-Yr Max Max Nat/Cal Max Ann Nat Cal Max Max Nat Cal ...

Jan 12, 2016 ... BAY AREA AIR POLLUTION SUMMARY – 2012 MONITORING CARBON NITROGEN SULFUR PM PM OZONE 10 2.5 STATIONS MONOXIDE DIOXIDE DIOXIDE Max Cal Max Nat Cal 3-Yr Max Max Nat/Cal Max Ann Nat Cal Max Max Nat Cal ...

Jun 27, 2002 ... SUMMARY OF AIR POLLUTION IN THE BAY AREA - 1997 CARBON NITROGEN SULFUR OZONE PM MONOXIDE DIOXIDE DIOXIDE 10 MONITORING MAX NAT'L CAL 3-YR MAX NAT'L MAX CAL MAX CAL ANN GEO NAT'L CAL STATIONS ...

Sep 19, 2002 ... —See notes of explanation BAY AREA AIR POLLUTION SUMMARY — 2001 on back of this page CARBON NITROGEN MONITORING OZONE SULFUR PM 10 MONOXIDE DIOXIDE DIOXIDE STATIONS Ann Max Nat Cal Max Nat 3-Yr Max ...

Jun 27, 2002 ... SUMMARY OF AIR POLLUTION IN THE BAY AREA - 1993 CARBON NITROGEN SULFUR OZONE PM10 MONOXIDE DIOXIDE DIOXIDE MONITORING STATIONS MAX FED CAL 3-YR MAX FED MAX CAL MAX CAL ANN GEO FED CAL HR ...

Oct 9, 2012 ... BAY AREA AIR POLLUTION SUMMARY – 2011 MONITORING CARBON NITROGEN SULFUR OZONE PM PM 10 2.5 STATIONS MONOXIDE DIOXIDE DIOXIDE Max Cal Max Nat Cal 3-Yr Max Max Nat/Cal Max Ann Nat/Cal Max Max Nat/Cal ...