Usually it's in the past year, over some threshold, more than X times. Even the worst locations for air quality have many good days, and some locations with no

Usually it's in the past year, over some threshold, more than X times. Even the worst locations for air quality have many good days, and some locations with normally good air have terrible inversions. If you're in an ozone non-attainment zone, I'm guessing you might be in the Front Range. Yes, we need to get it fixed.