Air quality alerts has been issued for several counties in Pennsylvania, with one affecting Cumberland, Dauphin, Lancaster, Lebanon and York counties, and another affecting Allegheny County.
The state has certainly seen air quality alerts in the past — notably, in recent years, due to Canadian wildfires. But the cause behind current conditions may surprise you.
David Martin, meteorologist with the National Weather service in State College, explained that “a very strong temperature inversion near the ground” is to blame for our current alert…