Vog, a mix of volcanic dust and gases, can cause health issues like eye and throat irritation, coughing, and shortness of ...

Poor air quality has been detected in multiple states surrounding California. The state has been hit with multiple deadly ...

The European Union’s Copernicus Climate Change Service has officially declared 2024 the hottest year on record, and the first ...

Wear a tight-fitting N95 mask at the bare minimum, but a P100 is better, experts say. Wear long sleeves, eye protection, ...

There's confusion over how safe air quality is in L.A. as fires continue to burn, spewing wildfire smoke and toxins. We look at air quality readings, what's real and what's not and what people can do.

After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free ...

People are tracking the impact of congestion pricing across the region.  But conditions on the roads and the rails aren’t the only factors to watch. Some ...

The air in 12 Texas counties exceeded federal soot standards, but Texas regulators say only four should face consequences.