Air Quality Alert issued June 09 at 6:35PM CDT until June 11 at 7:00PM CDT by NWS

...Code Red Ozone Health Advisory in effect until sunset... The Shelby County Health Department has issued a Code Red Ozone Health Advisory effective for Shelby County Tennessee, Crittenden County Arkansas, and DeSoto County Mississippi, including the City of Memphis that will remain in effect until sunset. This ozone health advisory is due to monitored ozone values that have reached unhealthy

from Current Watches, Warnings and Advisories for the United States Issued by the National Weather Service http://ift.tt/2s6qNjZ