The California Air Resources Board (CARB) and the San Joaquin Valley Air Pollution Control District (District) are currently undergoing a public process to develop the 2024 PM2.5 Plan to meet Serious area requirements under the Clean Air Act for the 2012 federal National Ambient Air Quality Standard for fine particulate matter (PM2.5). This page provides links to documentation relevant to the 2024 PM2.5 Plan. Additional CARB and District documentation will be posted here as it becomes available.