Table 2 The concentration of pollutants measured at 11 to 12

32.6

53.4

3.05

April 15

72.22

48.42

3.6

January 1

53.46

36.15

2.35

April 16

34.74

41.57

3.22

January 3

47.09

36.4

2.38

April 17

31.73

53.5

3.45

January 5

49.4

43.41

2.92

April 19

20.78

59.96

2.89

January 6

52.69

31.5

2.03

April 20

31.8

73.82

4.1

January 10

39.86

51.57

2.86

April 21

32.2

79.69

4.3

January 11

42.54

42.72

2.55

April 22

55.41

64.61

3.77

January 12

11.2

68.6

3.64

April 23

44.9

63.4

3.63

January 20

24.78

71.45

3.99

April 24

51.25

75.5

4.4

January 21

37.72

41.71

2.37

April 25

25.81

38.91

2.87

January 23

19.8

70.12

4.65

April 30

38.21

38.3

3.3

January 24

37.8

39.81

2.4

May 1

53.07

34

3.33

January 25

27.13

59.7

3.59

May 3

63.9

46.72

3.1

January 26

22:25

56.5

3.32

May 4

42.7

51.1

3.79

January 30

19.7

57.41

2.85

May 7

22.3

65.69

3.49

January 31

25.97

43.5

2.53

May 8

54.4

76.85

3.78

February 4

29.74

60.03

3.2

May 12

11.6

57

3.38

February 6

38.1

53.17

2.78

May 13

57.81

33.75

3.39

February 7

55.35

33.3

2.15

May 14

16.93

53.4

3.74

February 8

17.98

77.51

3.54

May 15

36.69

51.1

3.57

February 12

32.6

52.12

2.41

May 16

28.8

53.1

2.9

February 13

27.7

63.4

2.75

May 17

33.2

57.1

3.05

February 14

21.2

64.4

3.33

May 18

34.3

61.1

3.22

February 16

37.5

45.2

2.88

May 19

39.1

35.5

2.81

February 17

29.1

47.3

1.92

May 20

37.1

32.1

2.78

February 18

21.1

64.3

3.08

May 21

41.1

51.2

3.51

February 22

25.2

57.7

2.1

May 25

58

66.6

4.01

February 24

–

–

–

–

55.3

42.1

3.7

February 25

–

–

–

–

59.1

38.7

3.61

February 26

–

–

–

–

42.2

35.5

3.2

February 27

–

–

–

–

18.9

49.8

3.5

March 2

–

–

–

–

49.1

32.2

2.67

March 3