Environmental Protection Department - The Government of the Hong Kong Special Administrative Region Brand Hong Kong
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PATH v2.1 Data Dissemination System (Data last updated in July 2021)

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Meteorology
Concentration




LevelHeight above model ground (m)
0 to 17
17 to 35
35 to 55
55 to 77
77 to 101
101 to 126
126 to 156
156 to 192
192 to 234
234 to 285