A large area of greater Los Angeles had unhealthy air Friday, due to particulate matter from large wildfires. Here are tips for breathing cleaner air indoors if it's smoky outside.

A toxic soup of smoke, chemicals and particulate matter is being spread across the city by gusty winds. Here's what to look ...

This is a developing story. For the latest local updates head to LAist.com and sign up for breaking news alerts. Interest in air filters and purifiers is spiking in Southern California, including ...