XN000022-1992-03-12 — Page 13

(**?)

濃度

5247

1

Concentration

Microgram per Cubic Meter

12

一九九二年二月份空氣質素報告

THURSDAY, MARCH 12, 1992

Hong Kong Air Quality Report for February 1992

250

Mong Kok t

濃度

(*** / **)

Concentration

Microgram per Cubic Meter

7/31

200

150

100

50

100

80

60

E

40

220

200

( h i l / 1 * *)

Concentration Microgram per Cubic Meter

509

50

100

150

Key

總悬浮粒子

Total Suspended Particulata

Respirable Suspended Patio AX1 **

Sulphur Dialdia

氧化硫

Nitrogen Dioxide

3

5

7

11

13

15

17

19

21

25 27

February 1992

氧化愈

Central / Western

Key

Total Suspended Particules #15 #3-

Respirable Suspended Particulat

Sulphur Dioxide

Nitrogen Dicada

二氧化硫

二氧化氮

7

9

11

13 15

17

19

21

23

25 27

3

February 1992

8

Kwai Chung 葵涌

Key

Total Suspended Perticulate 13 * 3-

何吸入懸浮粒子

Respirable Suspended

Sulphur Dioxide

Nitrogen Diocle

二氧化硫

二氧化氮

3

5

7

11

13

15

17

19

23

27-

29

February 1992

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