Poor Air Quality From Wildfire Smoke Worsens COVID-19 Cases, Deaths, Study Finds

On Sept. 9, 2020, the Bay Area sky turned so hazy, it hid the sun from view and glowed an ominous dark orange. In the days that followed, dangerous air pollution in the region skyrocketed as dozens of wildfires burned throughout California, in what became the largest wildfire season recorded in modern state history.