(Francisco Kjolseth | The Salt Lake Tribune) Several metropolitan areas around the country have seen improved air quality as more people work from home and social distance in an effort to curb the spread of the coronavirus. Utah Department of Air Quality spokesman Jared Mendenhall says that hasn't been the case in the Salt Lake Valley, as seen on Wednesday, March 25, 2020, or in the Beehive State as large, since March and April are generally good air quality months. Though if the coronavirus was happening in December, he said the efforts would be making a difference.