Agency: Environmental Quality Michiganis one of 28 states that are required to control both fine particle pollution and ozone transport and subject to EPA's Clean Air Interstate Rule CAIR. If you have any questions, please contact Tom Julien at 517-335-3711.
On December 23, 2008, the United States Court of Appeals for the District of Columbia has issued a remand for the EPA CAIR regulations and removed the vacatur. This means that CAIR is back in play and the CAIR NOx annual program became effective on January 1, 2009. The CAIR NOx ozone season begins in May of 2009.