Dr. Scott Epstein, the air quality assessment manager for the Air Quality Management District, warned that conditions can suddenly change and that windblown dust and ash continue to be concerns.
A smoke advisory issued by the agency expired at 10 p.m. Sunday, which signifies an improvement in air quality across Los Angeles County to mostly good.
Los Angeles residents might be breathing easier now, but officials caution that the lightest of winds can pick up ash from burned areas and carry it across the county.
Health officials recommend using an N95 or P100 mask for protection against ash, especially as winds are expected to pick up, potentially affecting air quality again.
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