haldiair

AMBIENT AIR QUALITY AT THREE STATIONS IN HOWRAH IN 2002

 

Month

Suspended Particulate Matter (SPM)

(monthly average in mg/m3)

Respirable Particulate Matter (RPM)

(monthly average in mg/m3)

Sulphur Dioxide (SO2)

(monthly average in mg/m3)

Nitrogen Oxides (NOX)

(monthly average in m g/m3)

HMC

Bator

Bandhaghat

Average Howrah

HMC

Bator

Bandhaghat

Average Howrah

HMC

Bator

Bandhaghat

Average Howrah

HMC

Bator

Bandhaghat

Average. Howrah
June, 2002
119


88


89


99


59


53


50


54


7


6


7


7


75


52


72


66


July, 2002
133


90


 

118


114


68


56


71


65


6


5


8


6


71


52


90


 

71


Aug., 2002
86


63


76


75


56


36


47


46


9


7


13


10


71


43


90


 

68


Sep., 2002
114


68
99


94


76


43


67


62


11


9
14


11


61


45


78


 

61


Oct., 2002 269
 132
 152
 184

 167
 99
 112
 126

 9
 7
 10
 9

 76
 58
 73
 69
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