Houston's air is cleaner, but the goal post is moving

October 12, 2014 | Updated: October 12, 2014 8:23pm

October 12, 2014 | Updated: October 12, 2014 8:23pm

Houston, for a time, held the unwanted title of the nation's capital of bad air. These days, however, this land of unchecked growth, traffic-choked freeways and prolific smokestacks isn't even the smoggiest place in Texas.