Portland Officially Has the Worst Air Quality on the Planet

As wildfires continue to decimate the western coast of the United States, Portland has now been deemed to have the worst air quality on the planet. Health officials have issued a stark warning, saying no one should be outside. As many are scrambling to buy air purifiers, some are finding shelves empty at local stores. The good news is that you can make your own air purifier using a simple box fan available at most hardware stores.