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| Last Updated:29/03/2018

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Air Quality Index of Sikkim

 

AMBIENT AIR QUALITY MONITORING REPORT FOR THE MONTH OF FEBRUARY (4th WEEK) 2018

 

As per the findings of the ambient air quality monitoring, the quality of ambient air remains unaffected during the month of February 4th week 2018 (i.e. 20/02/2018 & 22/02/2018) and as per the AQI, the quality of air at almost all locations were 'good' except the pollutant level of Rangpo, Singtam, Deorali (Gangtok) and Mangan (for the period i.e.20/02/2018) are higher due to maximum movement of vehicles in the surrounding area.

 

 

SN

LOCATION

AIR QUALITY INDEX

NAME OF STATION

20.02.2018

22.02.2018

1

RANGPO,  East Sikkim

92 (Satisfactory)

94 (Satisfactory)

2

SINGTAM, East Sikkim

93 (Satisfactory)

100 (Satisfactory)

3

DEORALI, East Sikkim

86 (Satisfactory)

56 (Satisfactory)

4

RAVANGLA, South Sikkim

29 (Good)

27 (Good)

5

NAMCHI, South Sikkim

23 (Good)

23 (Good)

6

PELLING, West Sikkim

22 (Good)

33 (Good)

7

CHUNGTHANG, North Sikkim

30 (Good)

26 (Good)

8

MANGAN, North Sikkim

56 (Satisfactory)

39 (Good)

 

 

 

National AQI Category and its associated health impacts

AQI-Standards

 

STATION

DATE

STANDARD OF PARAMETERS BY C.P.C.B

PM10 (µg/m3)

SO2 (µg/m3)

NO2 (µg/m3)

RANGPO

20.02.2018

97.22

7.98

12.36

22.02.2018

94.37

5.90

7.70

SINGTAM

20.02.2018

92.73

8.34

5.97

22.02.2018

99.82

7.50

4.06

DEORALI

20.02.2018

85.73

5.54

6.30

22.02.2018

56.14

2.08

2.61

PELLING

20.02.2018

22.30

6.46

3.06

22.02.2018

33.30

4.79

1.96

RAVANGLA

20.02.2018

28.66

3.70

1.89

22.02.2018

27.03

3.00

1.16

NAMCHI

20.02.2018

23.03

4.94

3.32

22.02.2018

23.07

4.56

3.77

CHUNGTHANG

20.02.2018

30.12

4.60

1.39

22.02.2018

25.57

2.10

1.14

MANGAN

20.02.2018

55.64

3.33

2.54

22.02.2018

39.03

4.58

3.94

National Ambient Air Quality Standards (NAAQS) – 24 hrs

100

80

80

 

 

 

Monthy AQI of Eight Stations at Sikkim (Source: SPCB Sikkim)

 

SN

Year

Rangpo

Singtam

Gangtok

Ravangla

Namchi

Pelling

Chungthang

Mangan

1.

Oct ’17 (19/10/17)

72

42

31

15

27

17

19

30

2.

Nov ’17 (21/11/17)

79

46

67

12

24

27

30

37

3.

Dec ’17 (26/11/17)

86

53

59

22

24

30

25

26

4.

Jan ’18 (25/01/18)

89

87

67

34

24

33

24

26

5.

Feb ’18 (22/02/18)

92

100

56

27

23

33

26

39

 

 

 Source: State Pollution Control Board Sikkim

 

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