South Coast AQMD Issues Advisory Due to Smoke from California Wildfires
September 23, 2021
Valid: Thursday, September 23 through Friday, September 24, 2021 This advisory is in effect through Friday afternoon. South Coast AQMD will issue an update if additional information becomes available. Wildfires in central California are producing heavy smoke that is moving south towards the South Coast Air Basin. While the heaviest smoke will be present in the upper atmosphere across the region, impacts on surface air quality are expected in the San Bernardino, San Gabriel, and San Jacinto mountains. As of Thursday at noon, Good and Moderate air quality index (AQI) levels are being measured throughout the region. However, elevated AQI
