EPA defends wildfire exception allowing Detroit to attain ozone standard

EPA is strongly defending its decision to apply its exceptional event policy in Detroit and allow the city to meet the 2015 national ambient air quality standard (NAAQS) for ozone by disregarding exceedances recorded over two days in June of 2022 which the state said was due to wildfire smoke from Canada. In an April 23 brief in Sierra Club v. EPA, et al., in the U.S. Court of Appeals for the 6th Circuit, the agency says it “reasonably...