CAP Alert · Actual

Mild to Moderate Saharan Dust Haze Ongoing

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Expired: Sahara Dust Haze
Moderate severity
Urgency Immediate
Severity Moderate
Certainty Observed
Category Met
Language en
Time period
  • Issued 10 Aug 2026 15:06
  • Effective 10 Aug 2026 11:00
  • Onset 10 Aug 2026 11:00
  • Expires 11 Aug 2026 13:00
Severity
Extreme
Severe
Moderate
Minor

Advisory: Mild-to-moderate haze visible

Area

Saint Lucia

Event description

A plume of mild-to-moderate Saharan dust is approaching the island. Horizontal visibility is observed to be between 6 km and 9 km. Particulate matter levels (PM2.5) are forecasted to range between 25 and 50 micrograms per cubic meter, resulting in Moderate Air Quality (AQI 51–100)

Instructions

Persons with pre-existing respiratory conditions such as asthma, bronchitis, or severe allergies should ensure rescue medications and inhalers are readily accessible. Outdoor exertion should be moderated for highly sensitive individuals. Small-craft operators and mariners should exercise normal caution due to reduced horizon visibility