1.   Atlanta has the worst ozone problem in the Southeast.

2.   For the first time ever, there is a strong possibility that Houston will overtake Los Angeles as the U.S. metropolitan area with the worst ozone smog record.

3.   Houston has violated the old ozone standard for many years, ranking last year as the city with the worst ozone record in the country.

4.   Of the seven U.S. counties with the worst ozone pollution problems, six are found in California.

5.   Over the past three years, Houston and Los Angeles have led the nation as the cities with the worst ozone problems.

6.   Without question, Texas has endured one of the worst ozone summers on record.