Metro L.A. hosts nation’s worst cities for air quality, study finds

Los Angeles County was home to 14 of the nation’s 25 worst cities for air pollution in 2019 and the Inland Empire accounted for three more, according to a new study ranking 4,682 cities worldwide.
But it could be worse.
Maywood, ranked as having Southern California’s worst air in 2019 and third worst in the country, comes in a distant 1,112th in global worst air rankings, according to the report by IQAir, a Swiss company that has partnered with the United Nations to create the world&