A thin veil of smoke from wildfires burning in Canada is worsening air quality and putting a lid on temperatures in the D.C. area. The smoke, which has resulted in some of the world’s worst air quality in the Upper Midwest and Northeast, is only wafting through the Mid-Atlantic in limited quantities, but it’s enough to have a small impact.

At least three people have been injured and hundreds of homes and businesses are at risk in California as a massive wildfire spreads across the Los Padres National Forest. Follow Newsweek's live blog for updates.