For a brief moment this year, Southern Californians got a glimpse of what clean air could look and feel like. During the first COVID-19 pandemic shutdowns in the spring, the dramatic drop in vehicle pollution combined with stormy weather to help clear out the region’s notoriously smoggy, hazy air, leaving blue skies and crisp vistas.
Click here for original story, Editorial: SoCal is losing its fight against smog. Things have to turn around in 2021
Source: Phys.org