Wildfires in Northern California and Oregon cause hazardous air quality in the Bay Area

The Bay Area in California is experiencing poor air quality due to smoke from wildfires in Northern California and Oregon. The Bay Area Air Quality Management District has issued an advisory, urging residents to stay indoors, close windows and doors, and use air conditioning to prevent outside air from entering. San Francisco has been ranked as the most polluted major city in the world, and health officials are advising people, especially those with respiratory issues, to limit outdoor activity. The National Weather Service has also issued a fire-weather watch for parts of the region.