Fog advisory no longer in effect for Calgary and surrounding areas

A fog advisory that was issued for parts of southern Alberta on Sunday has since been lifted.

Environment Canada issued the statement at 8:30 a.m. Sunday for Calgary, Airdrie, Cochrane, Olds, Sundre, Brooks, Strathmore, Vulcan, Drumheller, Three Hills, Okotoks, High River and Claresholm.

Advisories ended for Brooks, Strathmore, Vulcan, Drumheller and Three Hills at around 2:30 p.m.

By early Monday morning, all advisories had been lifted for Alberta.

Fog advisories result when near-zero visibilities are apparent.

“Travel is expected to be hazardous due to reduced visibility,” the agency said.

Tweet This Click to share quote on Twitter: "Travel is expected to be hazardous due to reduced visibility," the agency said.

Regions with below-freezing temperatures may experience patchy freezing drizzle until the fog dissipates, Environment Canada said.

Areas of dense fog persisted until Sunday afternoon.

On Saturday, mist sank into Calgary at around 4 p.m. and remained for the rest of the evening.

The Air Quality Health Index was at the high-risk level — seven around 7 p.m. to 8 p.m., according to Environment Canada. That number gradually went down to two early Sunday morning.