The U.S. Environmental Protection Agency has singled out the greater Salt Lake region as having the nation's worst air for much of January, when an icy fog smothers mountain valleys for days or weeks at a time and traps lung-busting soot.

NPR: Sickening Fog Settles Over Salt Lake City Area

The dense fog has also been causing travel chaos, with air and rail traffic severely disrupted.

BBC: Delhi shivers on coldest day for 44 years

With the fog descending over Fir Park, Jutkiewicz cleared the air with an early effort from 20 yards out, but Loovens blocked.

BBC: Georgios Samaras