Which areas had the worst, and best, air in 2016?
AQHI levels in 2016
Low
Moderate
High
Very high
Serious
Average hourly AQHI level by region 
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
1
6
12
6
12
*Causeway Bay roadside station was under renovation during October 2016.