AMBIENT AIR QUALITY MONITORING REPORT FOR THE MONTH OF SEPTEMBER (4th WEEK) 2019
The quality of ambient air remains unaffected during the month of July 4th week 2019 i.e. 23.07.2019 and 25.07.2019 and as per the AQI, the quality of air at all locations are good except the pollutants level of Rangpo are found satisfactory due to maximum movement of vehicles in the surrounding area.
SN
|
LOCATION
|
AIR QUALITY INDEX
|
NAME OF STATION
|
17.09.2019
|
19.09.2019
|
24.09.2019
|
26.09.2019
|
1
|
RANGPO, East Sikkim
|
55 (Satisfactory)
|
54 (Satisfactory)
|
50 (Good)
|
55 (Satisfactory)
|
2
|
SINGTAM, East Sikkim
|
43(Good)
|
46(Good)
|
38(Good)
|
48(Good)
|
3
|
DEORALI, East Sikkim
|
-
|
-
|
30(Good)
|
28(Good)
|
4
|
RAVANGLA, South Sikkim
|
25 (Good)
|
25 (Good)
|
26 (Good)
|
27 (Good)
|
5
|
NAMCHI, South Sikkim
|
31 (Good)
|
32(Good)
|
30(Good)
|
35 (Good)
|
6
|
PELLING, West Sikkim
|
16(Good)
|
18(Good)
|
13(Good)
|
9(Good)
|
7
|
CHUNGTHANG, North Sikkim
|
22(Good)
|
18(Good)
|
22(Good)
|
16(Good)
|
8
|
MANGAN, North Sikkim
|
21(Good)
|
21(Good)
|
20(Good)
|
24(Good)
|
Note: The monitoring for 17th and 19th September 2019 of Deorali Station (Gangtok) was not conducted due to Power failure.
National AQI Category and its associated health impacts

Last 6 Months AQI of Eight Stations at Sikkim (Source: SPCB Sikkim)
SN
|
Year
|
Rangpo
|
Singtam
|
Gangtok
|
Ravangla
|
Namchi
|
Pelling
|
Chungthang
|
Mangan
|
1.
|
Dec ’18 (07/12/18)
|
90
|
71
|
54
|
26
|
32
|
30
|
35
|
51
|
2.
|
Jan ’19 (29/01/19)
|
92
|
60
|
57
|
26
|
33
|
32
|
27
|
60
|
3.
|
Feb ’19 (28/02/19)
|
45
|
57
|
59
|
31
|
35
|
33
|
35
|
34
|
4.
|
Mar ’19 (26/03/19)
|
75
|
47
|
55
|
25
|
32
|
32
|
27
|
47
|
5.
|
Apr ’19 (18/04/19)
|
58
|
42
|
27
|
20
|
30
|
27
|
35
|
47
|
6.
|
May ’19 (30/05/19)
|
30
|
33
|
57
|
22
|
33
|
18
|
27
|
18
|

Source: State Pollution Control Board Sikkim
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