11
MONDAY, OCTOBER 14, 1991
九九
年九月份空氣質素報告
Hong Kong Air Quality Report for September 1991
350
300
250
200
150
Mong Kok 旺角
Key
Total Suspended Particuliti
Reachable Suspended Particulara
Subhu Dixida
Nitrogen Dadds
濃度
(微克/立方米)
Concentration
Microgram per Cubic Meter
濃度
Concen. on
Microgram per Cubic Meter
濃度
(Ž/ 2 3 ‡
Concentration
1
Microgram per Cubic Meter
100
50
0
*
5
7
11
13
15
17
19
21
25
27
September 1991
- tu tu - tu
250
200
150
100
50
總懸浮粒子
可吸入的懸浮粒子.
二氯化硫
二氧化氮
Central / Western
Key To Suspended Particulela
[ ] Apple Suspended Particulista
-T-
Subhur Daddy
Nitrogen Doddle
總懸浮粒子
三氣化な
化
3 F
T
7
13 15
17
19
21
25
20
!»ptember 1991
一九九一年几月
250
200
150
100
50
Kwai Chung 葵涌
Key
Total Suspended Particubite
[] Respirable Suspected Particulate
Sukabur Candle
— Nkagen Dizziche
總懸浮粒子
三乳化硫
乳化数
T
+
+
T
T
ד
+
9
11
13
15
17
19 21
20
25 27
29
September 1991
一九九一年九月
/12