Residents of central Pennsylvania should prepare for hazy skies and reduced air quality today as wildfire smoke from Canada ...

Prepare for a challenging week of wildfire smoke, increasing heat and potential thunderstorms across the state through the ...

Chicago had the distinction last week of having the worst air quality in the world due to Canadian wildfires. The big ...

Plus, ABC News’ Chief Meteorologist Ginger Zee has the latest on the second earthquake in less than a week on the East coast.