Wildfire smoke billowing out of Canada and Minnesota is driving air quality readings to record-breaking levels, creating a serious health risk for millions of people across the country.
If you’re noticing smoky air creeping into your home, experts say there are practical steps you can take to reduce your exposure and protect your lungs — including building your own air purifier using nothing more than a box fan.
With air quality indexes spiking to hazardous levels in many areas, health officials are urging people to limit their time outdoors and take steps to keep indoor air as clean as possible. A DIY air purifier can be an affordable and effective way to filter harmful particles from the air inside your home.
