What state has the worst ozone layer?

With regards to the topic of ozone depletion, which U.S. state has been identified as having the most severe ozone layer issues? Is it a coastal state, perhaps influenced by industrial emissions or shipping traffic? Or is it an inland state, potentially suffering from agricultural practices or fossil fuel combustion? Understanding which state faces the greatest ozone challenges is crucial for devising targeted policies and strategies to mitigate further degradation. Can you elaborate on the factors contributing to this state's ozone woes and what steps are being taken to address the issue?