The San Joaquin Valley Air Pollution Control District issued a health caution on Monday because of smoke caused by wildfires across the state.
Smoke from the Canyon Fire (Stanislaus County), the Hills Fire (Fresno County) and Lake Fire (Los Angeles County) is infiltrating into the San Joaquin Valley, affecting the air quality.
Smoke from the growing River Fire in Salinas could also push its way inland if winds shift.
Air pollution officials caution residents to reduce exposure to the particulate matter emissions by remaining indoors in affected areas.
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