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The Air District is issuing an air quality advisory due to wildfire smoke from the Pedro Fire, east of Modesto, for Wednesday, July 31. Smoke from the Pedro Fire is expected to impact air quality throughout the Bay Area on Wednesday. Hazy skies may be visible and the smell of smoke is possible at high elevations. Air quality is expected to be in the Moderate category on the Air Quality Index.

The Air District is extending an air quality advisory due to wildfire smoke from wildfires in the western U.S. and Canada through Saturday, August 10. An inversion layer combined with local pollution and residual smoke from fires in the western U.S. and Canada continues to impact air quality in the Bay Area, causing hazy and smoky skies. Air quality is expected to be Good to Moderate on the Air Quality Index.

The Air District is issuing an air quality advisory for wildfire smoke for tomorrow, Thursday, August 5, and Friday, August 6. Smoke from the McFarland, Monument, and River Complex fires are expected to impact the North Bay and East Bay, but the smoke is aloft and is not expected to cause unhealthy air quality. 

The Air District is extending the current air quality advisory for wildfire smoke through Monday, September 27. An air quality advisory is currently in place for Saturday, September 25. Smoke from fires in Southern and Central California is expected to continue to impact the Bay Area through Monday with smoky and hazy skies. Pollution levels are not expected to exceed federal health standards and no Spare the Air Alert is in effect. 

The Air District is issuing an air quality advisory for wildfire smoke for Monday, October 4. Smoke from wildfires in Southern California is expected to continue impacting the Bay Area on Monday with smoky and hazy skies. Pollution levels are not expected to exceed federal health standards and no Spare the Air Alert is in effect for Monday. A Spare the Air Alert for ozone, or smog, remains in effect for Sunday, October 3.

The Air District is extending an air quality advisory for wildfire smoke through tomorrow, Saturday, September 10. Smoke from wildfires in California and Oregon is expected to continue to impact the Bay Area through Saturday, but pollutant levels are not expected to exceed the national 24-hour health standard. A Spare the Air Alert is not in effect. Smoky, hazy skies may be visible and the smell of smoke may be present. 

The Air District is issuing an air quality advisory for wildfire smoke for tomorrow, Friday, September 9. Smoke from wildfires in California and Oregon is expected to impact the Bay Area through Friday, but pollutant levels are not expected to exceed the national 24-hour health standard. A Spare the Air Alert is not in effect on Friday. Smoky, hazy skies may be visible and the smell of smoke may be present. 

The Air District is issuing an air quality advisory for wildfire smoke for Monday, August 23. Smoke from wildfires in Northern California is predicted to impact the Bay Area on Monday. Lofted smoke is expected to cause hazy and smoky skies but pollution levels are not expected to exceed federal health standards and no Spare the Air Alert is in effect. Air quality is expected to be in the good to moderate range on the Air Quality Index. 

The Air District is extending an air quality advisory for wildfire smoke through Tuesday, August 24. Smoke from wildfires across California is predicted to continue to impact the Bay Area on Tuesday. Lofted smoke is expected to cause hazy and smoky skies but pollution levels are not expected to exceed federal health standards and no Spare the Air Alert is in effect. Air quality is expected to be in the good to moderate range on the Air Quality Index. 

The Air District is issuing a smoke advisory today due to multiple fires that developed overnight in the North Bay. Heavy smoke from these wildfires in the North Bay counties is causing very unhealthy air quality throughout the region and the smoke is moving into other parts of the Bay Area due to winds.

Oct 4, 2006 ... —See NOTES on back BAY AREA AIR POLLUTION SUMMARY — 2005 of this 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 ...

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 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 ...

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 ...

Aug 13, 2004 ... —See NOTES on back BAY AREA AIR POLLUTION SUMMARY — 2003 of this page CARBON NITROGEN SULFUR MONITORING OZONE PM PM 10 2.5 MONOXIDE DIOXIDE DIOXIDE STATIONS Max Nat Cal Max Nat 3-Yr Max Max Nat/Cal ...

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 ...

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 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 ...

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 ...

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 ...