Earthquake in New Jersey: 3.0 magnitude

The United States Geological Survey said an earthquake hit New Jersey late Saturday night. Here’s what we know.

Chicago weather: Hazy conditions continue with mild temps

An Air Quality Alert was still in effect for a third straight day, but for a smaller portion of the Chicago area.

Chicago has the worst air quality in the world right now, index says

Wildfire smoke has pushed Chicago's air quality into the "unhealthy" zone. It's so bad, in fact, that we're the most polluted city in the world right now. Here's what you should know.