A layer of haze covers the view of Pikes Peak rising over the south Denver metro area on Sunday, Nov. 4, 2018. (Jesse Paul, The Colorado Sun)

Denver, northern Colorado fall short on EPA clean air rules

The move was expected after Democratic Gov. Jared Polis said in March the state wouldn't ask for an exemption based on pollution drifting into Colorado from China and elsewhere

Environment Primary category in which blog post is published