Control burn canceled. Merced County smoke is all from wildfires, officials say


Wildfires raging throughout California's wine country have ravaged more than 170,000 acres and killed 21 people so far, with hundreds missing.

Poor air quality remains throughout the Bay Area because of the North Bay wildfires, prompting regional air quality officials to extend a Spare the Air Alert and Health Advisory through the weekend.

Seventeen different fires have spread across four different counties, leaving over 2,000 structures destroyed and killing at least 17 people, according to ABC7, since the fires started Sunday night. That's good for firefighters but it also means the smoke continues to linger in the air.

California's air quality in the Bay Area is in the range regarded as unhealthy and is expected to deteriorate in coming days due to multiple wildfires.

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Tiny particles in smoke is causing unhealthy air quality through the region, although shifting wind velocities and directions can cause the soot concentrations to change quickly and vary from place to place, the Bay Air Quality Management District said Tuesday morning.

Children, the elderly and people with respiratory conditions are the most susceptible to the pollution and should take extra precautions, air district officials said. Windows and doors should be kept closed to prevent indoor air from becoming dirty. If residents see or smell smoke in their area, they should avoid outdoor activity including exercise.

Because of the serious air quality conditions we are asking residents to avoid adding additional air pollution activities such as wood burning, lawn mowing, leaf blowing, driving, and barbecuing.