Energy that flows in every living and in nature. The science of Chi control using place arrangement depending on owner/user's horoscope is feng shui.
In Chinese tradition, good flowing of Chi makes you healthly. When you sick, some path flows of Chi may be obstructed which can be cured (so Chi can again flow normally) using acupuncture. However, too much flow of Chi is not good like Hurricane that can root up houses.
Hey, your house is too close to that intersection. Chi flows too much to you house and it would brings trouble. Change your house's feng shui by planting trees or change the entrance to you house will help.