Air quality here in Los Angeles has been nasty the last week or so because of the Colby fire in Glendora. But overall, air pollution in California cities is down some 20 percent from a decade ago.

That doesn't mean we've got the all-clear. The California Air Resources Board says smog levels are still not where they're supposed to be. For details we're joined by LA Times reporter Tony Barboza, who reports on the findings in today's paper.