The Holy Fire is burning to the east of Trabuco Canyon near the border of Orange County and Riverside County within the Cleveland National Forest. The burn area is currently reported at about 9,600 acres with 5 percent containment. Winds will be from the west/southwest today before transitioning to a southerly wind during the overnight hours. During the overnight and early morning hours, downslope winds may bring smoke into the valleys west and southwest of the fire.
Overall, meteorological conditions may bring smoke into portions of Los Angeles, Orange, Riverside and San Bernardino counties. Air quality may reach unhealthful levels or higher in areas directly impacted by smoke, according to the Southern California Air Quality Management District.
Areas of direct smoke impacts and unhealthful air quality may include portions of:
Los Angeles County: Areas 9 (East San Gabriel Valley), 10 (Pomona/Walnut Valley) and 11 (South San Gabriel Valley).
Orange County: Areas 16 (Northern Orange County), 17 (Central Orange County), 18 (North Coastal Orange County), 19 (Saddleback Valley), 20 (Central Coastal Orange County) and 21 (Capistrano Valley).
Riverside County: Areas 22 (Corona/Norco), 23 (Metropolitan Riverside), 24 (Perris Valley), 25 (Lake Elsinore), 26 (Temecula Valley), 28 (Hemet/San Jacinto Valley) and 29 (Banning Pass).
San Bernardino County: Areas 32 (Northwest San Bernardino Valley), 33 (Southwest San Bernardino Valley), 34 (Central San Bernardino Valley), 35 (East San Bernardino Valley), 36 (West San Bernardino Mountains), 37 (Central San Bernardino Mountains) and 38 (East San Bernardino Mountains).
In any area impacted by smoke: If you smell smoke or see ash due to a wildfire, limit your exposure by remaining indoors with windows and doors closed, or seeking alternate shelter, and avoiding vigorous physical activity. For more tips on protecting yourself during a wildfire, see SCAQMD’s Wildfire Smoke and Ash Health & Safety Tips page: www.aqmd.gov/wildfire-health-info-smoke-tips