XN000022-1991-10-14 — Page 12

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

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