Hazy skies in Colorado. File photo. Photo Credit: marekuliasz (iStock).

Hazy skies in Colorado. File photo. Photo Credit: marekuliasz (iStock).

The Colorado Department of Public Health and Environment and the Regional Air Quality Council issued a health advisory due to smoke from wildfires in Colorado and the western U.S.

The alert went into effect Monday afternoon and lasts through 4 p.m. Tuesday for many areas along the Front Range - from Douglas County north to Larimer and Weld counties, including the Denver-Boulder area, Fort Collins and Greeley.


Ozone concentrations are expected to reach the Unhealthy for Sensitive Groups category on Monday and Tuesday. Increased levels of ozone are expected throughout the Colorado Front Range region.

If you've noticed smoky skies above Colorado the last couple days, you're not alone. Smoke originating from wildfires in other western states, along with the rapidly growing Morgan Creek fireย near Steamboat Springs, has resulted in the haze.

As a result of the smoke, a health advisory has been issued due to a drop in air quality, according to a post from the National Weather Service. If smoke becomes thick in a given area, it is advised that people limit their time outdoors. People with heart diseases, respiratory issues, the very young, and the elderly are most susceptible to concerns related to this smoke.

Dangerous smoke is expected to be present through at least Tuesday, with the air quality health advisory applying to Routt, Jackson, Grand, Garfield, Eagle, Summit, Mesa, Delta, Gunnison, Pitkin, Lake, Delta, Montrose and Gunnison counties. Smoke is expected to settle into areas of lower elevation by Monday night.

Morgan Creek fire gains momentum, increasing over a thousand acres

Douglas, Jefferson, Denver, western Arapahoe, western Adams, Broomfield, Boulder, Larimer and Weld counties are also being impacted by poor air quality on Monday, with an ozone action day alert posted through Monday afternoon.

According to the alert from the National Weather Service, "warm temperatures, light winds, stagnant conditions, and smoke from western wildfires are expected to increase ozone and particulate concentration along the northern Front Range, including the Denver metro area."

It has been requested that those in this area opt to drive less under these conditions.

Find a forecast map of the smoke in Colorado embedded below:

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