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| Last Updated:22/02/2018

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Air Quality Index of Sikkim

 

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

 

As per the findings of the Ambient Air Quality monitoring, the quality of Ambient Air remains unaffected during the month of January 4th week 2018 (i.e. 23/01/2018 & 25/01/2018) and as per the AQI, the quality of air at almost all the locations were ‘good’, except the pollutant level of Rangpo, Singtam & Deorali, Gangtok were ‘satisfactory’ i.e relatively in higher side due to movement of vehicles along the national highway NH -10.

 

 

 

SN

LOCATION

AIR QUALITY INDEX

NAME OF STATION

23.01.2018

25.01.2018

1

RANGPO,  East Sikkim

83 (Satisfactory)

89 (Satisfactory)

2

SINGTAM, East Sikkim

87 (Satisfactory)

87 (Satisfactory)

3

DEORALI, Gangtok, East Sikkim

69 (Satisfactory)

67 (Satisfactory)

4

RAVANGLA, South Sikkim

33 (Good)

34 (Good)

5

NAMCHI, South Sikkim

24 (Good)

24 (Good)

6

PELLING, West Sikkim

33 (Good)

33 (Good)

7

CHUNGTHANG, North Sikkim

28 (Good)

24 (Good)

8

MANGAN, North Sikkim

29 (Good)

26 (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

NO2

RANGPO

23.01.2018

83.10

4.51

6.15

25.01.2018

88.94

7.99

6.96

SINGTAM

23.01.2018

88.86

6.25

6.00

25.01.2018

87.14

7.30

7.63

DEORALI, GANGTOK

23.01.2018

68.65

6.43

9.00

25.01.2018

66.71

5.54

8.53

PELLING

23.01.2018

32.90

8.07

3.04

25.01.2018

32.80

6.52

3.17

RAVANGLA

23.01.2018

32.68

6.80

2.45

25.01.2018

33.58

7.60

3.01

NAMCHI

23.01.2018

23.75

4.87

3.66

25.01.2018

24.36

5.90

3.59

CHUNGTHANG

23.01.2018

27.66

3.64

0.57

25.01.2018

23.82

4.16

0.98

MANGAN

23.01.2018

28.85

2.50

1.90

25.01.2018

25.55

3.33

1.52

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

 

 

 

 Source: State Pollution Control Board Sikkim

 

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