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You are here: Home / Publications / Periodicals / Natural Outlook / Spring 2010 / Ozone Concentrations Across the U.S.

Ozone Concentrations Across the U.S.

How does Texas compare to other states in the nation? (Natural Outlook, Spring 2010)

As of 2007, the states with the highest ozone concentrations were California, Connecticut, Georgia, Massachusetts, North Carolina, and Pennsylvania. While Texas has sites measuring above the 1997 8-hour ozone standard, no sites are measuring in the highest range of 0.096 to 0.126 ppm.

Map of the United States with Ozone concentrations. The map shows the following concentrange range: 79 sites with a range of 0.029 ppm to 0.059ppm; 427 sites with a range of 0.060 ppm to 0.075 ppm; 657 sites with a range of 0.076 ppm to 0.095 ppm; and 27 sites with a range of 0.096 ppm to 0.126 ppm.
Ozone concentrations in parts per million (ppm), 2007 (fourth highest daily maximum 8-hour concentration).

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