As people return to the structures spared from Los Angeles wildfires, experts warn that they should be careful of the air inside and be especially cautious when cleaning up. Smoke, ash and all the toxic chemicals that come with both can seep into even well-sealed homes.

Several parts of southern California are currently under windblown dust and ash advisories as deadly wildfires continue to burn. Here's how to protect yourself.

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