MADISON (WKOW) -- It's not unusual for the the African easterly jet stream to pick up dust from the Sahara desert around this time of year. The dust plays a big role in suppressing hurricane development in the tropics.But what is unusual is the amount of dust this year and how far north it will travel in the middle levels of the atmosphere.Unfortunately, there will be some downsides to beautiful sunrise's and sunsets.This weekend, the enormous dust clouds can bring particles in the air here in Wisconsin that would be bad news for your respiratory system. This could mean poor air quality...…MADISON (WKOW) -- It's not unusual for the the African easterly jet stream to pick up dust from the Sahara desert around this time of year. The dust plays a big role in suppressing hurricane development in the tropics.But what is unusual is the amount of dust this year and how far north it will travel in the middle levels of the atmosphere.Unfortunately, there will be some downsides to beautiful sunrise's and sunsets.This weekend, the enormous dust clouds can bring particles in the air here in Wisconsin that would be bad news for your respiratory system. This could mean poor air quality...WW…