Affected regions include some or all of San Joaquin, Stanislaus, Merced, Madera, Fresno, Kings, Tulare and Kern counties.

Winds have pushed smoke from the Bay Area toward the San Joaquin Valley a day after the Tracy blaze began. Toxic substances remained aloft, but smoke may encroach on ground level in the coming days.

San Joaquin County officials warned of smoke impacts as a fire at a Medline facility in Tracy continued to send smoke across the San Joaquin Valley.

Officials in a California city are urging residents sensitive to smoke to remain indoors while a huge warehouse fire burns for a third day ...

How the weather is helping clean Tracy's smoky air How to check air quality near your home, school or work. Why air can be unhealthy even if you don't smell smoke. Ocean breezes blowing gently into ...

FORWARD TO SOMEONE ELSE IN NEED. ALL RIGHT. KURTIS, THANKS TO TRACY NOW, WHERE DEMOLITION CREWS BEGAN TEARING DOWN THE REMAINS OF THE MEDLINE MEDICAL SUPPLY WAREHOUSE AFTER THURSDAY’S FIRE THAT TORE ...

Add Yahoo as a preferred source to see more of our stories on Google. Firefighters continue to battle a massive fire in Tracy on Friday that left a 1 million-square-foot medical supply distribution ...

A warehouse fire in the city of Tracy that broke out early Thursday afternoon has turned into the one of the largest in the U.S., and could burn for days. The resulting smoke will impact the air ...

TRACY — People sensitive to smoke were urged to stay indoors as firefighters spent a third day Saturday battling a fire in a huge medical equipment warehouse. Related Articles Richmond considers tax ...

TRACY, Calif. — Officials in a Northern California city urged people sensitive to smoke to keep indoors as firefighters spent a third day Saturday battling a fire in a huge medical equipment warehouse ...