Where Does Baltimore Rank In The Number Of Smog Days?

BALTIMORE (WJZ) — Promises to roll back clean air rules by the Trump administration could mean more smog.
Alex DeMetrick reports, a new study is setting the base line for just how much more, by adding up bad air days here and across the country.
When it comes to smog, China has some of the heaviest pollution on the planet. Coal fired power plants and cars help turn the air there into a health hazard.
But there’s still plenty of smog to go around.
A new study by Environment Maryland h