This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. Interest in air filters and purifiers ...

It's almost summer, and if recent years are a guideline, that means heightened threats of wildfires. Billowing smoke from wildfires can cause dangerous air quality levels. Air filters in homes can ...

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 ...