Air Quality Alert issued June 23 at 3:34PM CDT by NWS

...AIR QUALITY ALERT IN EFFECT UNTIL 8 PM CDT THIS EVENING... ...AIR QUALITY ALERT IN EFFECT FROM 10 AM TO 8 PM CDT SATURDAY... The St. Louis Clean Air Partnership has issued an air quality alert for the St. Louis metropolitan area until 8 PM CDT this evening. An Orange air quality forecast means that maximum ozone concentrations are expected to reach levels that pose a health risk.