SoCal had worst smog season in 6 years, Daniel Swain (UCLA Climatologist) explains how

November 3, 2016
Heavy smog shrouds Los Angeles on May 31, 2015.
Heavy smog shrouds Los Angeles on May 31, 2015.
MARK RALSTON/AFP/GETTY IMAGES

Following a summer characterized by light winds, inversions layers, and high pressure systems—all conditions favoring the production of ozone in the atmosphere—Los Angeles is experiencing its worst smog season in the last six years. Daniel Swain, a climatologist at UCLA, explains how these conditions arose and what the future holds for smog conditions in Southern California.

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