Smog and haze hovering over Salt Lake City, is lit by the rising sun as it appears over the mountains on Tuesday, Jan. 12, 2010. Weather reports indicate that the inversion will give way to an approaching storm. Schools in parts of Utah kept students inside for sports and recess Tuesday after soaring pollution levels prompted state health warnings on driving and outdoor activity. Tuesday's pollution levels in Salt Lake and Davis counties far exceeded health standards set by the Environmental Protection Agency.