Coronavirus in Colorado: Air Pollution Declines After State Goes on Lockdown Air pollution is declining in the Centennial State as a byproduct of social distancing measures and economic-shutdown due to the novel coronavirus. Air pollution consisting of particulates like nitric oxide and nitrogen dioxide decreased this month around the Denver area by up to 50% in some areas according to data recently reviewed by The Denver Post. The same data set […] SnowBrains | April 8, 2020 0 Comments