Smoke from Canadian wildfires will return. Here's how to keep it out of your home.

Home Improvement Use your HVAC system to your advantage.Plus, how to DIY a portable air cleaner.Last week, smoke from Canadian wildfires worsened air quality inNortheastern cities from Washington, D.C., to Boston.While the smoke has since dissipated, experts warn it will return - and get worse, according to an article in USA Today.

Read at Boston.com