Regulations dealing with air quality standards were adopted by the Department of Environmental Conservation on October 20, 2021, with an effective date of April 16, 2022. The regulations have been made permanent and have been filed by the Lt. Governor. The regulations will appear in Register 242, July 2022, of the Alaska Administrative Code. The regulations changes are summarized as follows:

This regulation package addressed the repeal of the department’s ice fog and SO₂ regulations and adoption by reference of those changes in the State Air Quality Control Plan, as well as adoptions by reference of update federal regulations

The following sections were amended:
18 AAC 50.025, 18 AAC 50.030, 18 AAC 50.035, 18 AAC 50.040, 18 AAC 50.502,
18 AAC 50.540, 18 AAC 50.542

The following sections were repealed:
18 AAC 50.080
State Air Quality Control Plan, Volume II, Section III, E. Ice Fog