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Today the Air District's Board of Directors unanimously adopted Regulation 11-18, Reduction of Risk from Air Toxic Emissions at Existing Facilities, considered to be the most health-protective toxic air pollution risk control measure in the nation.

The Air District is advising Bay Area residents that smoke from the Loma Fire may be impacting Santa Clara County. Light winds blowing south-easterly have transported smoke from the fire into southern Santa Clara County, creating localized impacts.

The Air District is extending the Spare the Air Alert for wildfire smoke and ozone, or smog, for Tuesday, September 8, and for wildfire smoke on Wednesday. This will be the 22nd and 23rd consecutive Spare the Air Alert called.

The Bay Area Air Quality Management District announced today that the agency’s independent Hearing Board has ordered Tesla to correct air quality violations at its electric vehicle manufacturing facility in Fremont. A written order is expected to be issued this week.  

The Air District is extending an air quality advisory for wildfire smoke through Wednesday, July 27. Winds are forecast to transport smoke from the Oak Fire in Mariposa County into the Bay Area through Wednesday; however, the smoke is expected to remain aloft. Smoky, hazy skies may be visible across the Bay Area and the smell of smoke is possible at higher elevations. Air quality is forecast to be in the good to moderate range on the air quality index and pollutant levels are not expected to exceed the national 24-hour health standard. A Spare the Air Alert is not in effect.

The Air District is extending an air quality advisory for wildfire smoke through Thursday, July 28. Winds are continuing to transport smoke from the Oak Fire in Mariposa County into the Bay Area; however, smoke is expected to remain aloft. Smoky, hazy skies may be visible across the Bay Area and the smell of smoke is possible at higher elevations. Air quality is forecast to be in the good to moderate range on the air quality index and pollutant levels are not expected to exceed the national 24-hour health standard. A Spare the Air Alert is not in effect.

The Air District is issuing another Spare the Air Alert for smoke tomorrow, Tuesday, October 29, for the entire region. Smoke from the Kincade Fire is expected to move south into the greater Bay Area today. Air quality will likely be impacted from the Kincade Fire through mid-day tomorrow. There may also be smoke from local fires, like the Suisun Marsh fire, that could further impact air quality tomorrow. Later tomorrow, offshore winds will help move smoke from the Kincade Fire back over the Pacific Ocean, but local fires could still contribute to unhealthy air quality.

The Air District is issuing an air quality advisory for wildfire smoke for this afternoon and early evening, Wednesday, July 19. Smoke from the Flat Fire in southwestern Oregon is forecast to be transported into the Bay Area this afternoon and early evening. Smoky, hazy skies may be visible across the Bay Area and the smell of smoke is possible at higher elevations, especially in the East Bay, North Bay and Santa Clara Valley regions. Pollutant levels are not expected to exceed the national 24-hour health standard. A Spare the Air Alert is not in effect.

The Air District is issuing the first Spare the Air Alert of 2022 for smog on Friday, June 10. Air quality is forecast to be unhealthy. Very hot inland temperatures, along with motor vehicle exhaust, will create elevated concentrations of ozone, or smog.

The Bay Area Air Quality Management District is holding an open house in Richmond this Thursday to present and get public input on potential new control measures and strategies that may be included in the 2016 Clean Air Plan/Regional Climate Protection Strategy.

The Air District is issuing the second Spare the Air Alert of 2022 for smog for Tuesday, June 21. Air quality is forecast to be unhealthy. Very hot inland temperatures, along with motor vehicle exhaust, will create elevated concentrations of ozone, or smog.

The Air District is extending the air quality advisory through Saturday, September 26, due to possible wildfire smoke impacts in parts of the East Bay. There is no Spare the Air Alert in effect and air quality is not expected to be unhealthy.

The Air District is issuing an air quality advisory for Friday, September 25, due to possible wildfire smoke impacts in the North and East Bay. There is no Spare the Air Alert in effect and air quality is not expected to be unhealthy.

These resources can assist practitioners in evaluating air quality and climate impacts during the environmental review process pursuant to CEQA. The tools, data, methodologies, and guidance provided do not represent an exhaustive list and should be used in conjunction with other resources.

These resources can assist practitioners in evaluating air quality and climate impacts during the environmental review process pursuant to CEQA. The tools, data, methodologies, and guidance provided do not represent an exhaustive list and should be used in conjunction with other resources.

These resources can assist practitioners in evaluating air quality and climate impacts during the environmental review process pursuant to CEQA. The tools, data, methodologies, and guidance provided do not represent an exhaustive list and should be used in conjunction with other resources.

The Bay Area Air Quality Management District is holding an open house in Santa Rosa this Wednesday to present and get public input on potential new control measures and strategies that may be included in the 2016 Clean Air Plan/Regional Climate Protection Strategy.

The Air District is issuing an air quality advisory for Thursday, September 17 through Friday, September 18, due to possible smoke impacts from wildfires. There is no Spare the Air Alert in effect Thursday or Friday and air quality is not expected to be unhealthy.

The Air District invites written comments on new provisions related to hydrogen sulfide monitoring and quality assurance procedures in revised draft fenceline air monitoring plans for the five Bay Area refineries. Comments must be received by 5 PM Pacific Time on April 20, 2023.

The Air District is calling a Spare the Air Alert for smog for Saturday, October 5. Air quality is forecast to be unhealthy tomorrow. Very high inland temperatures and weak offshore winds, along with motor vehicle exhaust, will create elevated concentrations of ozone, or smog.