Smoke in car when A/C is on...WTH?

[The All Mighty KA-T]

Well this all started a few week ago, i would turn on my A/C and then smoke would come out of my vents ( Not thick smoke ) And the smoke would only come out when i came to a stop at a redlight if i just would sit there. What could case this problem? Any help would be great......thanks.

[crzycav86]

are you sure it's not just condensation? my ac smokes sometime when it's humid and hot outside... which is pretty much every day 24/7. i dont think it's anything to worry about unless it smells like fumes.