well, there are many out comes for it. i think the most important for us would be that air pollution can shorten your life's. drastically. it also makes it hard for plants and trees to grown which can also affect us.
Answer: High-pressure systems are frequently associated with light winds at the surface and subsidence through the lower portion of the troposphere. In general, subsidence will dry out an air mass by adiabatic or compressional heating. Thus, high pressure typically brings clear skies.