US SB3836

Amends Section 179B of the Clean Air Act to clarify that emissions from outside the United States include both human-caused and natural emissions when determining air quality attainment status

Prohibits designating an area as nonattainment for national ambient air quality standards if the state demonstrates it would meet standards but for foreign emissions

Exempts states from Clean Air Act sanctions and fees under Sections 179 and 185 for Severe/Extreme ozone areas and Serious particulate matter areas if nonattainment results from emissions outside the area, exceptional events, or uncontrollable mobile sources

Requires states to renew their demonstration of foreign or uncontrollable emission impacts at least once every 5 years to maintain exemption from sanctions

Preserves underlying state obligations to implement measures to attain air quality standards even when sanction exemptions apply