Day/ Month1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | X | Max | N
| 1 | 18 | 12 | 55 | 103 | 159 | 146 | 41 | 75 | 52 | 58 | 59 | 64 | 84 | 64 | 61 | 40 | 66 | 33 | 29 | 11 | 14 | 27 | 27 | 20 | 23 | 8.96 | 12 | 13 | 26 | 51 | 47 | 48.33 | 159.10 | 31.00
| 2 | 39 | 51 | 71 | 52 | 41 | 78 | 38 | 20 | 10 | 9 | 12 | 53 | 29 | 27 | 41 | 39 | 87 | 56 | 23 | 8.28 | 16 | 14 | 9 | 12 | 16 | 9 | 14 | 15 | ~ | ~ | ~ | 31.74 | 86.65 | 28.00
| 3 | 28 | 21 | 17 | 46 | 84 | 47 | 18 | 44 | 30 | 21 | 43 | 65 | 89 | 25 | 35 | 59 | 123 | 66 | 19 | 23 | 17 | 12 | 8.30 | 10 | 22 | 27 | 45 | 78 | 84 | 76 | 84 | 44.09 | 122.96 | 31.00
| 4 | 55 | 47 | 47 | 38 | 37 | 21 | 30 | 59 | 52 | 42 | 41 | 39 | 39 | 14 | 33 | 31 | 42 | 26 | 28 | 35 | 28 | 46 | 37 | 23 | 22 | 30 | 23 | 14 | ~ | 83 | ~ | 36.63 | 83.39 | 29.00
| 5 | 23 | 32 | 33 | 29 | 15 | 18 | 20 | 31 | 35 | 34 | 38 | 24 | 36 | 19 | 25 | 24 | 35 | 22 | 21 | 23 | 34 | 38 | 36 | 22 | 21 | 20 | 28 | 16 | 22 | 32 | 28 | 26.88 | 37.88 | 31.00
| 6 | 20 | 23 | 31 | 26 | 47 | 24 | 24 | 13 | 31 | 20 | 22 | 25 | 22 | 23 | 25 | 34 | 30 | 32 | 57 | 27 | 33 | 27 | 28 | 24 | 27 | 28 | 36 | 32 | 16 | 22 | ~ | 27.61 | 56.66 | 30.00
| 7 | 34 | 23 | 21 | 16 | 19 | 20 | 20 | 23 | 34 | 32 | 23 | 22 | 29 | 22 | 36 | 38 | 28 | 15 | 24 | 24 | 23 | 19 | 28 | 20 | 21 | 24 | 30 | 33 | 35 | 42 | 49 | 26.67 | 49.17 | 31.00
| 8 | 47 | 39 | 25 | 29 | 25 | 26 | 33 | 36 | 48 | 25 | 30 | 8.60 | 12 | 17 | 19 | 35 | 58 | 49 | 40 | 47 | 32 | 44 | 55 | 52 | 42 | 46 | 54 | 50 | 56 | 68 | 47 | 38.56 | 68.43 | 31.00
| 9 | 13 | 17 | 33 | 34 | 32 | 40 | 42 | 36 | 54 | 41 | 35 | 55 | 56 | 25 | 12 | 21 | 20 | 24 | 33 | 49 | 41 | 23 | ~ | 21 | 23 | 28 | 13 | 31 | 41 | 63 | ~ | 32.97 | 62.60 | 29.00
| 10 | 58 | 64 | 54 | 36 | 19 | 16 | 16 | 23 | 22 | 36 | 28 | 30 | 31 | 31 | 35 | 30 | 31 | 24 | 24 | 46 | 39 | 37 | 17 | 41 | 23 | 13 | 15 | 16 | 34 | 66 | 43 | 32.19 | 66.03 | 31.00
| 11 | 48 | 20 | 23 | 36 | 30 | ~ | 49 | 34 | ~ | 39 | 25 | 51 | 46 | 61 | 87 | 78 | 42 | 70 | 26 | 36 | 37 | 54 | 54 | 39 | 77 | 73 | 33 | 33 | ~ | ~ | ~ | 46.20 | 86.52 | 26.00
| 12 | ~ | ~ | ~ | 54 | 48 | 32 | 43 | 35 | 51 | 60 | 84 | 58 | 68 | 75 | 66 | 59 | 51 | 32 | 64 | 99 | 119 | 44 | 44 | 37 | 32 | 40 | 50 | 64 | 24 | ~ | 34 | 54.41 | 119.36 | 27.00
|
Quarterly and annual absolute and relative frequency of average daily concentrations
partial and total air pollution indexes according to classes of IHd multiples
Quarter
concentration classes in IHd multiplestotal ind.
| part of it in IHd multiples
max. date
<=1/3 | <=2/3 | <=1.0 | <=1.5 | <=2.0 | <=3.0 | <=4.0
| >
| 1/3 | 2/3 | 1.0 | 1.5 | 2.0
| 3.0 | 4.0
| concentration classes in measurement units
part of above IHd multiples in meas. units
0- 23 | 24- 47 | 48- 70 | 71- 105 | 106- 140 | 141- 210 | 211- 280 | over 280 | 23 | 47 | 70 | 105 | 140 | 210 | 280
| |
|
|
ABS. | 34 | 23 | 18 | 12 | 1 | 2 | 0 | 0 | 90
| 56 | 33 | 15 | 3 | 2 | 0 | 0 | 159
| REL. | 37.7 | 25.5 | 20.0 | 13.3 | 1.1 | 2.2 | 0.0 | 0.0 | 100.0
| 62.2 | 36.7 | 16.7 | 3.3 | 2.2 | 0.0 | 0.0 | 5.1
| ID | 37 | 25 | 20 | 26 | 5 | 55 | 0 | 0 | 171
| |
|
|
ABS. | 28 | 54 | 7 | 1 | 0 | 0 | 0 | 0 | 90
| 62 | 8 | 1 | 0 | 0 | 0 | 0 | 83
| REL. | 31.1 | 60.0 | 7.7 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 68.9 | 8.9 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 30.4
| ID | 31 | 60 | 7 | 2 | 0 | 0 | 0 | 0 | 101
| |
|
|
ABS. | 26 | 47 | 18 | 0 | 0 | 0 | 0 | 0 | 91
| 65 | 18 | 0 | 0 | 0 | 0 | 0 | 68
| REL. | 28.5 | 51.6 | 19.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 71.4 | 19.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 30.8
| ID | 28 | 51 | 19 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 11 | 42 | 22 | 8 | 1 | 0 | 0 | 0 | 84
| 73 | 31 | 9 | 1 | 0 | 0 | 0 | 119
| REL | 13.0 | 50.0 | 26.1 | 9.5 | 1.1 | 0.0 | 0.0 | 0.0 | 100.0
| 86.9 | 36.9 | 10.7 | 1.2 | 0.0 | 0.0 | 0.0 | 21.12
| ID | 13 | 50 | 26 | 19 | 5 | 0 | 0 | 0 | 114
|
Year
| ABS. | 99 | 166 | 65 | 21 | 2 | 2 | 0 | 0 | 355
| 256 | 90 | 25 | 4 | 2 | 0 | 0 | 159 | REL. | 27.8 | 46.7 | 18.3 | 5.9 | 0.5 | 0.5 | 0.0 | 0.0 | 100.0
| 72.1 | 25.4 | 7.0 | 1.1 | 0.6 | 0.0 | 0.0 | 5.1
| ID | 27 | 46 | 18 | 11 | 2 | 14 | 0 | 0 | 121
|
Note:
| 1 frequency < 60 per quarter, or < 240 per annum
|
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2 frequency < 30 per quarter, or < 120 per annum
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