diff --git a/tasmota/language/en-GB.h b/tasmota/language/en-GB.h
index eca509e0f..4062a1b84 100644
--- a/tasmota/language/en-GB.h
+++ b/tasmota/language/en-GB.h
@@ -647,9 +647,9 @@
 #define D_UNIT_KILOOHM "kOhm"
 #define D_UNIT_KILOWATTHOUR "kWh"
 #define D_UNIT_LUX "lx"
-#define D_UNIT_MICROGRAM_PER_CUBIC_METER "ug/m3"
-#define D_UNIT_MICROMETER "um"
-#define D_UNIT_MICROSECOND "us"
+#define D_UNIT_MICROGRAM_PER_CUBIC_METER "µg/m³"
+#define D_UNIT_MICROMETER "µm"
+#define D_UNIT_MICROSECOND "µs"
 #define D_UNIT_MILLIAMPERE "mA"
 #define D_UNIT_MILLIMETER "mm"
 #define D_UNIT_MILLIMETER_MERCURY "mmHg"