AIR QUALITY IN MAJOR CITIES

 

ON 25 – 26 JULY 2002
(6 am TO 6 am)

 

GRAPHICAL DATA :

1. Sulphur Dioxide (SO2)

2. Nitrogen Dioxide (NO2)

3. Respirable Suspended Particulate Matter(RSPM)

 

TABULAR DATA :

City

(Location)

Concentration (µg/m3)

Sulphur dioxide (SO2)

Nitrogen dioxide (NO2)

Respirable Suspended Particulate Matter (RSPM)

Carbon monoxide (CO)

National Standard

80 

80

100

2000

Chennai

(Adayar)

4

9

20

_-

Delhi

(B.S.Z.Marg)

9

66

446

_-

Kanpur

(Vikas Nagar)

4

12

186

-

Kolkata

(Jatin Das Park)

4

50

79

-

Vadodra

(Subhanpura)

4

14

16

-