(微克/立方米)
Concentration Microgram per Cubic Meter
400
300
200
100
(微克/立方米)
Concentration Microgram per Cubic Meter
43
WEDNESDAY, MAY 13, 1992
一九九二年四月份空氣質素報告
Hong Kong Air Quality Report for April 1992
Mong Kok 旺角
Key
Total Suspended Particulate
總懸浮粒子
Respirable Suspended Particula
Sulphur Dicadde
Nitrogen Okside
可吸入懸浮粒子 二氧化硫
氧化氮
1
3
5
7
9 11 13 15
17
19
21
23
25
27
300
April 1992
250
200
150
100
8
T
F
T
3
5 7
April 1992
10
11 13
15
I
C
I
I
Kwai Chung
Key
Total Suspended Particulate
Respirable Suspended Particulate
Suphur Diarida
Ntrogen Dioxide
a
總懸浮粒子
}
二氧化硫
-
LAKEL
17 19 21
23
25 27
29
/44
+