Some early research suggests these DIY air cleaners, made from cardboard, tape, furnace filters, and a box fan, might be more effective in some ways than HEPA purifiers. Experts say they could ...

The recent wildfires in Altadena and Pacific Palisades have been contained, but wildfire impact on air quality is something Californians should prepare for.

Box fans generally have a substantial amount of power, meaning that the air can be circulated throughout a room very quickly. However, many quiet box fans tend to sacrifice the overall power of ...