Nation's Smoggiest Cities

In a tight contest, Los Angeles has, for the moment, overtaken Houston for the dubious distinction of smog capital of the US.

Read Time: 1 minute

August 24, 2000, 10:45 AM PDT

By Chris Steins @urbaninsight


For now, Los Angeles has a solid lead. Based on the most recent date available to make comparisons, the four-county Los Angeles region posted 34 days in 2000 when air exceeded the national health-based limit for ozone, compared with 26 for Houston. The worst air actually occurs far inland, especially in Crestline, the east San Gabriel Valley and Hemet.

Thanks to Chris Steins

Thursday, August 24, 2000 in The Los Angeles Times

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