Wildfires near Ontario, California, United States

2 Active Fires 2,156 acres
12 2026 Season Fires ▲ +22 (+116%) vs same period last year
6,817 2026 Season Acres ▼ -44,625 (-78%) vs same period last year

Newest Ontario wildfires

Apr 8 Started 22 acres 17 football fields Bourbon Fire
Apr 5 Started 4 acres 3 football fields Dream Fire
Apr 5 Started 32 acres 25 football fields Serena Fire
Apr 4 Started 2,134 acres 1.8x the size of Lincoln Park Sampleperimeter Fire
Apr 3 Started 385 acres 296 football fields Crown Fire
Apr 3 Started 4,176 acres 5.0x the size of Central Park Slightly smaller than JFK Airport Springs Fire

Largest Ontario wildfires this season

4,176 Acres 5.0x the size of Central Park Slightly smaller than JFK Airport Springs Fire Lakeview
2,134 Acres 1.8x the size of Lincoln Park Sampleperimeter Fire Lakeview
385 Acres 296 football fields Crown Fire Acton
32 Acres 25 football fields Serena Fire Temecula
25 Acres 19 football fields Oak Fire Adelanto
22 Acres 17 football fields Bourbon Fire Lucerne Valley

Search Fires

🔥 Sampleperimeter Fire Active 2026
Started: Apr 4 2,134 acre
Lakeview, California, United States
🔥 Bourbon Fire Active 2026
Started: Apr 08 22 acre 100% contained
Lucerne Valley, California, United States
🔥 Dream Fire 2026
Started: Apr 5 4 acre
Mead Valley, California, United States
🔥 Serena Fire 2026
Started: Apr 05 32 acre
Temecula, California, United States
🔥 Crown Fire 2026
Started: Apr 03 385 acre 98% contained
Acton, California, United States
🔥 Springs Fire 2026
Started: Apr 03 4,176 acre 100% contained
Lakeview, California, United States
🔥 Mesa Fire 2026
Started: Mar 29 2 acre
Apple Valley, California, United States
🔥 Assist/Bdc/National Fire 2026
Started: Mar 25 0 acre
Silver Lakes, California, United States
🔥 Almond Fire 2026
Started: Mar 24 21 acre 100% contained
Cabazon, California, United States
🔥 Sophie St / Hy 74 W Fire 2026
Started: Feb 04 10 acre
Aliso Viejo, California, United States
🔥 Crestmore Fire 2026
Started: Jan 16 6 acre
Rubidoux, California, United States
🔥 Oak Fire 2026
Started: Jan 14 25 acre
Adelanto, California, United States


Places Near Ontario, California, United States

Upland, California, United States Montclair, California, United States Chino, California, United States Rancho Cucamonga, California, United States Claremont, California, United States San Antonio Heights, California, United States Pomona, California, United States Los Serranos, California, United States La Verne, California, United States Chino Hills, California, United States Eastvale, California, United States Jurupa Valley, California, United States San Dimas, California, United States Diamond Bar, California, United States Norco, California, United States Glen Avon, California, United States Pedley, California, United States Charter Oak, California, United States Corona, California, United States