XN000022-1992-05-13 — Page 45

(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

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