diff --git a/homeassistant/components/london_air/sensor.py b/homeassistant/components/london_air/sensor.py
index 81133433d05..a4d34fcb2d6 100644
--- a/homeassistant/components/london_air/sensor.py
+++ b/homeassistant/components/london_air/sensor.py
@@ -37,10 +37,12 @@ AUTHORITIES = [
     "Enfield",
     "Greenwich",
     "Hackney",
+    "Hammersmith and Fulham",
     "Haringey",
     "Harrow",
     "Havering",
     "Hillingdon",
+    "Hounslow",
     "Islington",
     "Kensington and Chelsea",
     "Kingston",