UH professor Dan Price says it shows an animated picture, like looping on a weather radar.
"The app is meant to look as much as possible like a weather map. Standard colors from the Air Quality Index running from green to dark purple. And so as you get to yellow and red, you get a sense that there's a little bit of a warning."
UH professor Barry Lefer says we can expect 30 to 40 days each year with dangerous ozone levels.
"Ozone is a secondary pollutant. And so what that means is it's not coming directly out of the tailpipe of your automobile or out of the refinery. It's produced chemically downwind. Essentially what it's doing is it's giving your lungs a good case of sunburn."