2018 Updates: In response to court decisions, some elements included in the 2017 Plan required updates. CARB staff prepared the 2018 Updates to the California State Implementation Plan (2018 SIP Update) to update SIP elements for nonattainment areas throughout the State as needed. CARB adopted the 2018 SIP Update on October 25, 2018.
On September 28, 2017, the California Air Resources Board (CARB) adopted the Eastern Kern Air Pollution Control District Plan for 2008 Federal 75 ppb 8-Hour Ozone Standard (2017 Ozone Attainment Plan) as a revision to the California SIP. The District Board adopted the 2017 Plan at a public hearing on July 27, 2017. An update of the transportation conformity budget will be considered at a public meeting on July 23, 2020.