; (B) actions determined by the Governor to increase resilience to natural disasters; (C) natural disasters; or (D) naturally occurring events that cause an increase in the pollutant over the expected naturally occurring levels in a given year. . (b) Existing compliance of previous standards Section 109 of the Clean Air Act ( 42 U.S.C. 7409 ) is amended by adding at the end the following: (e) Revisions related to naturally occurring background levels For national primary and secondary ambient air quality standards revised after the date of enactment of this subsection, if a revision of a standard by the Administrator would require a State to lower the emissions of a criteria pollutant in an area of that State below a level consistent with levels observed naturally in that area, as determined by the State, in an average year, the State shall not be required to lower the levels of that criteria pollutant below locally uncontrollable levels, including interstate, international, and local mobile emissions in areas that have implemented a basic vehicle emission inspection and maintenance program and clean-fuel vehicle program to comply with the requirements of section 182. (f) Existing compliance For national primary and secondary ambient air quality standards revised after the date of enactment of this subsection, the Administrator shall take into consideration— (1) existing rates of compliance with previous national primary and secondary ambient air quality standards; (2) technological feasibility of complying with the proposed national primary or secondary ambient air quality standard revision