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Ontario wildfire map

Fires and other heat sources seen by NASA satellites in the last 72 hours in Ontario.

High confidence Nominal Source: NASA FIRMS (VIIRS)
Smoke & air quality
AirNow covers the US only. For Canada, check the Air Quality Health Index from Environment Canada.
Fire weather
No Red Flag Warning or Fire Weather Watch is in effect in Ontario.
Ontario · 24 h 53 detections 0 high confidence · newest 1 h ago
Ontario · 48 h 107 detections 0 high confidence · newest 1 h ago
Ontario · 72 h 266 detections 0 high confidence · newest 1 h ago

Detection groups in OntarioDetection groups near you

NEAREST PLACEFROM PLACEDISTANCEDETECTIONSNEWESTCONFIDENCE
Dryden, ON 15 mi25 km SW 17 1 h ago Nominal
Ignace, ON 15 mi25 km S 10 1 h ago Nominal
Dryden, ON 12 mi20 km SW 5 1 h ago Nominal
Dryden, ON 12 mi19 km SW 4 1 h ago Nominal
Hamilton, ON 3 mi5 km NW 4 12 h ago Nominal
Greater Sudbury / Grand Sudbury, ON 12 mi19 km E 4 13 h ago Nominal
Sioux Lookout, ON 33 mi54 km E 3 1 h ago Nominal
Black River-Matheson, ON 7 mi11 km NW 2 13 h ago Nominal
Greater Sudbury / Grand Sudbury, ON 8 mi12 km S 2 13 h ago Nominal
Champlain, ON 4 mi6 km N 2 14 h ago Nominal
Dryden, ON 17 mi27 km SW 36 1 h ago Nominal
Dryden, ON 13 mi21 km S 17 1 h ago Nominal
Ignace, ON 15 mi25 km S 10 1 h ago Nominal
Champlain, ON 4 mi6 km N 6 14 h ago Nominal
Morley, ON 11 mi17 km NE 6 35 h ago Nominal
Dryden, ON 12 mi19 km SW 4 1 h ago Nominal
Hamilton, ON 3 mi5 km NW 4 12 h ago Nominal
Greater Sudbury / Grand Sudbury, ON 12 mi19 km E 4 13 h ago Nominal
Trent Lakes, ON 11 mi17 km SW 4 26 h ago Nominal
Sioux Lookout, ON 33 mi54 km E 3 1 h ago Nominal
Morley, ON 9 mi15 km NE 49 35 h ago Nominal
Dryden, ON 17 mi27 km SW 36 1 h ago Nominal
Haldimand County, ON 15 mi25 km SW 26 2 days ago Nominal
Ignace, ON 13 mi22 km S 25 1 h ago Nominal
Val Rita-Harty, ON 6 mi10 km SW 22 2 days ago Nominal
Hamilton, ON 8 mi12 km E 21 2 days ago Nominal
Dryden, ON 13 mi21 km S 17 1 h ago Nominal
Marysville, MI 3 mi5 km NE 9 2 days ago Nominal
Hamilton, ON 3 mi5 km NW 7 12 h ago Nominal
Champlain, ON 4 mi6 km N 6 14 h ago Nominal
No satellite detections within this distance and time window.

A detection is a hot spot seen from space. It can be a wildfire, a planned burn or an industrial site. It does not show a fire’s name, size or containment.

Fire detections by state & province · 24 h48 h72 h

Fire weather

What is a Red Flag Warning?

The National Weather Service issues a Red Flag Warning when strong wind, low humidity and dry plants come together. Any spark — from a campfire, a cigarette or a dragging trailer chain — can start a fire that spreads very fast. A Fire Weather Watch means these conditions are possible in the next 12 to 72 hours.

Don’t burnNo outdoor burning or fireworks.
Watch for sparksSecure trailer chains, don’t park on dry grass.
Stay alertKeep your phone charged for alerts.
Safety

If a wildfire is near you: Ready, Set, Go

READYBefore a firePack a go-bag with documents, medicine and chargers. Clear dry leaves and branches near your home. Know two ways out of your area.
SETWhen a fire is nearbyPut the go-bag in the car, park facing out, and keep pets close. Follow local officials and the news radio.
GOLeave earlyLeave as soon as officials tell you to — or earlier if you feel unsafe. Don’t wait to see the flames.

For smoke: stay indoors with windows closed, run an air purifier if you have one, and check the air quality before going outside.

Wildfire questions

Are there fires in Ontario right now?

NASA satellites detected 53 heat sources in Ontario in the last 24 hours (266 in the last 72 hours). The largest group was near Dryden, ON. A detection can be a wildfire, a planned burn or an industrial site.

Is there a Red Flag Warning in Ontario?

No Red Flag Warning or Fire Weather Watch is in effect in Ontario right now. The National Weather Service issues them when wind, low humidity and dry plants make fires spread fast.

What is a satellite fire detection?

NASA satellites pass over North America several times a day and flag spots that are much hotter than their surroundings. Most are fires, but some are planned burns, gas flares or factories. A new detection can appear within a few hours.

How far can wildfire smoke travel?

Hundreds or even thousands of miles. That is why the air quality can drop even when no fire is close.

Where can I find evacuation orders?

Evacuation orders come from your county or local emergency office. Follow them first, and use this map to see where fires are.