First published Oct 21, 2026, 6:35:15 PM UTC · Last updated Oct 21, 2026, 6:35:15 PM UTC

Heavy satellite-observed smoke area centered at 61.612°N, 121.297°W — Near Fort Simpson, NT, Canada

NOAA HMS classified a smoke area near Fort Simpson as heavy density, based on GOES-EAST observations from 15:00 to 17:00 UTC on October 21, 2026. The source specifies that this is not a ground-level air-quality measurement or health alert.

At a glance

Affected location: Near Fort Simpson, Northwest Territories, Canada

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Why it matters

The report describes a satellite-observed smoke extent but provides no ground-level air-quality measurement or health alert.

Location

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Generated scores

Scores are based on the cited reporting and use a 1–10 scale. Read the methodology.

Confidence: 7/10How certain the assessment is based on the clarity and evidence in the cited reporting.
Geographic reach: 2/10How widely the event reaches, from a local area (1) to worldwide impact (10).
Global importance: 3/10The event's broader significance, from limited importance (1) to major global importance (10).
Impact magnitude: 2/10The scale or severity of the real-world impact, from minor (1) to extreme (10).
Urgency: 2/10How time-sensitive the event is, from low urgency (1) to immediate attention needed (10).

Primary official sources

NOAA HMS Smoke Detection Heavy satellite-observed smoke area centered at 61.612°N, 121.297°W — Near Fort Simpson, NT, CanadaNOAA/NESDIS Hazard Mapping System (HMS) Usage terms

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Related developments reported in the last 30 days. These are not necessarily ongoing incidents.

Nearby · within 200 km
Medium satellite-observed smoke area centered at 61.635°N, 121.127°W — Near Fort Simpson, NT, CanadaOct 21, 2026, 3:00 PM UTC
NOAA classified a satellite-observed smoke area near Fort Simpson, Northwest Territories, as medium density. The source says this observation is not a ground-level air-quality measurement or health alert.
Nearby · within 200 km
Medium satellite-observed smoke area centered at 61.475°N, 122.658°W — Near Fort Simpson, NT, CanadaOct 21, 2026, 3:00 PM UTC
NOAA HMS classified the satellite-observed smoke area near Fort Simpson as medium density. It was observed from 15:00 to 17:00 UTC on October 21, 2026, and is not a ground-level air-quality measurement or health alert.
Nearby · within 200 km
Medium satellite-observed smoke area centered at 61.460°N, 121.362°W — Near Fort Simpson, NT, CanadaOct 18, 2026, 8:00 PM UTC
NOAA HMS classified a satellite-observed smoke area near Fort Simpson, Northwest Territories, as medium density. The source says this is not a ground-level air-quality measurement or health alert.
Nearby · within 200 km
Medium satellite-observed smoke area centered at 61.732°N, 121.824°W — Near Fort Simpson, NT, CanadaOct 18, 2026, 5:00 PM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Medium satellite-observed smoke area centered at 61.513°N, 121.385°W — Near Fort Simpson, NT, CanadaOct 18, 2026, 5:00 PM UTC
2 reports describing the same event are grouped here. Expand the group to review every source report.
Nearby · within 200 km
Heavy satellite-observed smoke area centered at 61.522°N, 121.287°W — Near Fort Simpson, NT, CanadaOct 14, 2026, 8:10 PM UTC
NOAA HMS classified a satellite-observed smoke area near Fort Simpson, Northwest Territories, as heavy density, observed from 2026-10-14 20:10 to 23:30 UTC. The source states this is not a ground-level air-quality measurement or health alert.

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