- Los Angeles
Hmmm, so air quality seems to be getting better, despite overall population and economic growth in these United States? Why doesn't that sort of thing ever get pushed to the top of such stories?
"Nobody is surprised that LA has an air pollution problem," said Janice Nolen, the association's assistant vice president for national policy and advocacy. "The problems there are one of the reasons we have the Clean Air Act. But it is important for folks to know that there has been some improvement."