Area (Note) / 2003 / 2004 / 2005 / 2006 / 2007
Yuen Long AQMS
(covers Tuen Mun, Tin Shui Wai and Yuen Long) / 18 / 31 / 28 / 28 / 24
New Town / 15 / 24 / 20 / 21 / 19
Urban / 19 / 26 / 23 / 23 / 23
Table 2 :Annual average nitrogen dioxide concentration in different areas (in ug/m3)
Area (Note) / 2003 / 2004 / 2005 / 2006 / 2007
Yuen Long AQMS
(covers Tuen Mun, Tin Shui Wai and Yuen Long) / 60 / 67 / 58 / 58 / 55
New Town / 48 / 51 / 46 / 49 / 48
Urban / 63 / 66 / 60 / 60 / 61
Table 3 :Annual average ozone concentration in different areas (in ug/m3)
Area (Note) / 2003 / 2004 / 2005 / 2006 / 2007
Yuen Long AQMS
(covers Tuen Mun, Tin Shui Wai and Yuen Long) / 31 / 35 / 32 / 32 / 36
New Town / 42 / 47 / 37 / 38 / 41
Urban / 34 / 37 / 29 / 30 / 31
Table 4: Annual average concentration of respirable suspended particulates in different areas (in ug/m3)
Area (Note) / 2003 / 2004 / 2005 / 2006 / 2007
Yuen Long AQMS
(covers Tuen Mun, Tin Shui Wai and Yuen Long) / 61 / 71 / 62 / 62 / 64
New Town / 54 / 61 / 54 / 53 / 53
Urban / 53 / 60 / 55 / 54 / 55
Note:
i. The data of New Town were determined from the annual average air pollutants concentrations measured at Sha Tin, Tai Po and Tung Chung AQMS.
ii. The data of Urban area were determined from the annual average air pollutants concentrations measured at the Central/Western, Eastern, Kwai Chung, Kwun Tong, Sham Shui Po and Tsuen Wan AQMS.