Air Quality Alert issued May 28 at 8:21AM CDT by NWS

...AIR QUALITY ALERT IN EFFECT UNTIL 8 PM CDT THIS EVENING... 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 (UNHEALTHY FOR SENSITIVE GROUPS) air quality forecast means that maximum ozone concentrations are expected to reach levels that pose a health risk. Adverse health effects increase as air