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 | 74 | 64 | 54 | 47 | 55 | 72 | 68 | 64 | 50 | 83 | 90 | 68 | 49 | 57 | 61 | 46 | 35 | 28 | 30 | 34 | 27 | 31 | 86 | 94 | 59 | 53 | 48 | 54 | 34 | 26 | 29 | 53.83 | 93.98 | 31.00
| 2 | 44 | 41 | 36 | 42 | 38 | 39 | 42 | 28 | 27 | 34 | 62 | 60 | 29 | 40 | 46 | 42 | 46 | 60 | 47 | 63 | 43 | 42 | 83 | 53 | 37 | 45 | 52 | 57 | 60 | ~ | ~ | 46.10 | 83.13 | 29.00
| 3 | 40 | 37 | 30 | 33 | 33 | 45 | 37 | 30 | 29 | 34 | 31 | 57 | 57 | 43 | 31 | 35 | 31 | 58 | 42 | 47 | 60 | 56 | 87 | ~ | 80 | 63 | 51 | 57 | 62 | 26 | 33 | 45.21 | 86.56 | 30.00
| 4 | 71 | 57 | 44 | 48 | 60 | 32 | 36 | 41 | 61 | 84 | 62 | 69 | 44 | 99 | 94 | 41 | 94 | 55 | 70 | 61 | 70 | 61 | 52 | 47 | 17 | 42 | 46 | 47 | 36 | 47 | ~ | 56.30 | 98.83 | 30.00
| 5 | 44 | 42 | 45 | 56 | 24 | 44 | 34 | 34 | 20 | 34 | 41 | ~ | ~ | ~ | ~ | 46 | 31 | 51 | ~ | ~ | 23 | 14 | 21 | ~ | 45 | 33 | 30 | 24 | 18 | 18 | 15 | 32.85 | 56.33 | 24.00
| 6 | 19 | ~ | 36 | 28 | 40 | 23 | 24 | 22 | 34 | 41 | 35 | 31 | 36 | 25 | 24 | 20 | 20 | 20 | 25 | 41 | 35 | 35 | 26 | 20 | 21 | 19 | 18 | 20 | 21 | 24 | ~ | 27.02 | 41.29 | 29.00
| 7 | 37 | 27 | 33 | 26 | 26 | 25 | 31 | 23 | 20 | 21 | 20 | 21 | 21 | 19 | 22 | 15 | 41 | 24 | 27 | 21 | 23 | 24 | 20 | 42 | 24 | 29 | 26 | 26 | 21 | 25 | 30 | 25.42 | 41.52 | 31.00
| 8 | 31 | 34 | 27 | 32 | 41 | 32 | 27 | 26 | 25 | 27 | 24 | 34 | 36 | 46 | 43 | 32 | 25 | 20 | 30 | 27 | 31 | 21 | 24 | 29 | 14 | 25 | 22 | 31 | 35 | 33 | 43 | 29.87 | 46.00 | 31.00
| 9 | 36 | 18 | 6.98 | 16 | 5.79 | 19 | 31 | 39 | 28 | 29 | 47 | 22 | 28 | 30 | 28 | 18 | 13 | 25 | 25 | 25 | 22 | 30 | 34 | 34 | 38 | 44 | 44 | 51 | 59 | 35 | ~ | 29.45 | 59.19 | 30.00
| 10 | 28 | 22 | 38 | 41 | 48 | 34 | 15 | 16 | 24 | 25 | 22 | 22 | 30 | 43 | 50 | 49 | 36 | 29 | 54 | 54 | 40 | 54 | 50 | 45 | 33 | 30 | 26 | 20 | 22 | 26 | 25 | 33.98 | 54.31 | 31.00
| 11 | ~ | ~ | 15 | 19 | 38 | 23 | 20 | 31 | 33 | 39 | 42 | 38 | 77 | 41 | 41 | 51 | 76 | 24 | 47 | 54 | 39 | 54 | 46 | 41 | 101 | 36 | 28 | 35 | 28 | 47 | ~ | 41.57 | 100.67 | 28.00
| 12 | 57 | 35 | 26 | 27 | 33 | 76 | 37 | 35 | 34 | 18 | 18 | 25 | 28 | 15 | 21 | 18 | 22 | 38 | 44 | 74 | 74 | 44 | 32 | 40 | 66 | 68 | 103 | 39 | 76 | 32 | 23 | 41.18 | 102.54 | 31.00
|
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- 25 | 26- 50 | 51- 75 | 76- 113 | 114- 150 | 151- 225 | 226- 300 | over 300 | 25 | 50 | 75 | 113 | 150 | 225 | 300
| |
|
|
ABS. | 0 | 52 | 31 | 7 | 0 | 0 | 0 | 0 | 90
| 90 | 38 | 7 | 0 | 0 | 0 | 0 | 94
| REL. | 0.0 | 57.7 | 34.4 | 7.7 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 100.0 | 42.2 | 7.8 | 0.0 | 0.0 | 0.0 | 0.0 | 24.1
| ID | 0 | 57 | 34 | 15 | 0 | 0 | 0 | 0 | 107
| |
|
|
ABS. | 26 | 39 | 14 | 4 | 0 | 0 | 0 | 0 | 83
| 57 | 18 | 4 | 0 | 0 | 0 | 0 | 99
| REL. | 31.3 | 46.9 | 16.8 | 4.8 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 68.7 | 21.7 | 4.8 | 0.0 | 0.0 | 0.0 | 0.0 | 14.4
| ID | 31 | 46 | 16 | 9 | 0 | 0 | 0 | 0 | 104
| |
|
|
ABS. | 35 | 55 | 2 | 0 | 0 | 0 | 0 | 0 | 92
| 57 | 2 | 0 | 0 | 0 | 0 | 0 | 59
| REL. | 38.0 | 59.7 | 2.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 62.0 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 29.9
| ID | 38 | 59 | 2 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 22 | 49 | 13 | 6 | 0 | 0 | 0 | 0 | 90
| 68 | 19 | 6 | 0 | 0 | 0 | 0 | 103
| REL | 24.4 | 54.4 | 14.4 | 6.6 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 75.6 | 21.1 | 6.7 | 0.0 | 0.0 | 0.0 | 0.0 | 27.12
| ID | 24 | 54 | 14 | 13 | 0 | 0 | 0 | 0 | 106
|
Year
| ABS. | 83 | 195 | 60 | 17 | 0 | 0 | 0 | 0 | 355
| 272 | 77 | 17 | 0 | 0 | 0 | 0 | 103 | REL. | 23.3 | 54.9 | 16.9 | 4.7 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 76.6 | 21.7 | 4.8 | 0.0 | 0.0 | 0.0 | 0.0 | 27.12
| ID | 23 | 54 | 16 | 9 | 0 | 0 | 0 | 0 | 104
|
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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