🇸🇱 Sierra Leone Risk Rating
Grade
Ascore 15.0
Operational Status
green
Last Updated
7d ago
The Risk Rating reflects the current multi-hazard situation. For forward-looking risk assessment, see the Calamity Forecast Index.
Rating History
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Country rating changed from B to A (score 23 → 15)Unhealthy Air Quality (AQI 156) (CalamityScore 35)
EVENT: Unhealthy Air Quality (AQI 156) — SL Detected: 2026-07-06T07:00:00.000Z CalamityScore: 35/100 Severity: medium POPULATION AT RISK: Estimated 161,174 people within impact zone HISTORICAL CONTEXT: Location: SL region. RECOMMENDED ACTIONS: Conduct structural assessments of vulnerable buildings. Issue public advisories. Monitor seismic activity. No cascade risks detected for this event.