date:May 04, 2012
In 2008, EPA set new smog standards at 75 parts per billion. Working with states and tribes and following an open public process that included a 45-day public comment period, EPA has determined that 45 areas across the country, including two separate areas of Indian country, are not meeting the 2008 standards based on the most recent certified air quality data. Almost all of these areas already have programs in place to improve air quality because they did not meet the 1997 smog standards. Only