How often do you clean your house? This question sounds like a humble to you but, it’s not. A lot of people out there think that air dust pollution is like when you go to outside activities and their house is absolutely clean. Well, you are absolutely safe and clean but air pollution is prone to be very unsafe in your living area. That means, regularly opening windows can be one of the solutions while keeping them always locked. All binders in your room need to be temporarily removed so your room can be refreshed air during the day. Such has let dust accumulate around the house that makes the air contaminated and unhealthy. Please regularly vacuum your house, open windows especially when you are vacuuming, and get an air purifier.