Air quality has taken a serious hit across the United States as a two-fold blow of wildfires in the West and in Canada have sent smoke pouring across large sections of the country — a problem that’s set to linger for days.

The sky continued to have a very hazy look to it Tuesday morning in the Boston area as Canadian wildfire smoke is impacting the air quality in parts of Massachusetts.There are some differences Tuesday compared to Monday.

Another disaster emergency has been declared in western Colorado due to wildfires burning across the western half of the state.

The Leroux Fire has already burnt approximately 700 acres of private and BLM land. Firefighters from the Crawford-Hotchkiss Fire District, the BLM, the Forest Service and the National Park Service are battling the blaze.

Elk and Lee fires, which were sparked by lightning over the weekend, made big runs Monday amid windy and dry conditions