Colorado smoke warning expires |

Colorado smoke warning expires

The Associated Press
Aspen, CO Colorado

The Denver skyline is barely visible from near Interstate-25 in Thornton, Colo., as smoke from the wildfire in Arizona fills the air on Monday, June 6, 2011. Kyle Fredin, a meteorologist for the National Weather Service in Denver, said that a ridge of high pressure was carrying the smoke as far away as central Iowa. He said the smoke was also hitting eastern Colorado _ where it obscured the view of the mountains from downtown Denver _ as well as New Mexico, Nebraska and Kansas. (AP Photo/Ed Andrieski)

DENVER – The Colorado health department says a health advisory for southern Colorado because of smoke from fires in Arizona has expired.

The department said the heaviest smoke moved east of Colorado Tuesday morning. In Aspen, skies were clear Tuesday for the first time in days.

Moderate to possibly heavy smoke may still be possible in the extreme southeast corner of Colorado in and near Springfield, according to the department.

The department said smoke from the fires may still contribute to light to moderate background haze in the state, but the smoke should be below levels of concern.