Okay, we can do better than this Arizona: "Officials confirmed that more than 400 patients were contacted by medical personnel at Luke Days on Saturday." https://www.abc15.com/news/local-news/over-400-people-treated-25-hospitalized-from-heat-related-illnesses-at-luke-days #heatwave #extremeheat
Over 400 people treated, 25 hospitalized from heat-related illnesses at Luke Days

Luke Air Force Base officials say at least 25 people were taken to a hospital due to heat-related illnesses, which include overheating, dehydration and heat exhaustion.

ABC15 Arizona in Phoenix (KNXV)