diff --git a/src/utilities/upm_utilities.c b/src/utilities/upm_utilities.c
index dbe5355b..c655ca1b 100644
--- a/src/utilities/upm_utilities.c
+++ b/src/utilities/upm_utilities.c
@@ -41,7 +41,7 @@ static struct aqi {
     int llow;
     int lhigh;
 } aqi[] = {
-  {0.0,    12.4,   0, 50},
+  {0.0,    12.0,   0, 50},
   {12.1,   35.4,  51, 100},
   {35.5,   55.4, 101, 150},
   {55.5,  150.4, 151, 200},