A cheap, do-it-yourself air purifier is powerful enough to effectively protect a home from free-floating flu and COVID-19 viruses, according to test results from the U.S. Environmental Protection ...

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 ...

With wildfire smoke blanketing much of the upper U.S., Americans searching for a way to avoid the toxic air can turn to a DIY air purifier with Cowtown roots. Canadian wildfires have brought three ...

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