Ozone Information

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• All About Tulsa's Ozone (Ozone 101)
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Ozone Alert! Days

Ozone Alert! Days from 1991 to the present

Exceedances

Exceedances of the 8-hour standard.

1^st through 4^th 8-hr averages

Highest 8-hour averages per monitor.

Crucial Stats

4th highest 8-hour average per monitor.