XN000022-1991-11-12 — Page 14

浓度

(未年1等)

Concentration

Microgram per Cubic Meter

濃度

(微気1立方)

Concentration Microgram per Cubic Meter

沈度

( * 531730)))

Concentration Microgram per Cubic Meter

250

200

150

100

250

200

150

100

50

|

13

1

一九九一年十月份空氣質素報告

TUESDAY, NOVEMBER 12, 1991

Hong Kong Air Quality Report for October 1991

250

200

150

8

100

50

Mong Kok

旺角

Key

總懸浮粒子

Total Suspended Particulate

Respirable Suspended Particulate 90179 1333

Subhur Diddle

Nitrogen Diaddle

氧化硫

二氧化氮

3

5

7

11

13

15

17

19

21 23

25 27

29

31

October 1991

Central / Western

Key

Total Suspended Particulate

Respirable Suspended Particulate

Subhur Divide

Nitrogen Dicedcie

總整浮粒子

PANZ$25-

二氧化硫

氧化氮

1

3

5

7

11

13

15

17

19

21

25

27

29

31

October 1991

Kwai Chung FR

Key

Tote Suspended Particulate

粒子

Respirable Suspended Particulate & XE SNS

Sulphur Diddle

Nitrogen Diccide

사

25

27 29

31

二氧化硫

氧化氮

5

7

11

13 15

17

19

21

23

October 1991

0

/14