its growing faster and bigger. its like a huge pimple about to pop. and guess who gets pussed on. http://www.nasa.gov/mission_pages/sunearth/news/News030812-M6.3flare.html
Given the distances involved, and the enormity of the sun, I'd say the odds of it belching in our direction at the precise moment needed to really fuck us up would be pretty low. But yeah, a direct hit would not be good.