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 | 15 | 56 | 120 | 125 | 72 | 49 | 71 | 51 | 68 | 67 | 61 | 99 | 69 | 56 | 45 | 65 | 38 | 31 | 14 | 14 | 29 | 34 | 29 | 31 | 12 | 13 | 15 | 26 | 62 | 52 | 48.59 | 125.05 | 31.00
| 2 | 46 | 93 | 106 | 69 | 53 | 101 | 42 | 21 | 12 | 12 | 14 | 15 | 21 | 32 | 56 | 60 | 105 | 57 | 24 | 8.49 | 23 | 15 | 9 | 13 | 18 | 10 | 16 | 17 | ~ | ~ | ~ | 38.14 | 105.63 | 28.00
| 3 | 41 | 25 | 20 | 60 | 107 | 63 | 18 | 56 | 35 | 34 | 58 | 85 | 95 | 26 | 39 | 74 | 130 | 79 | 20 | 25 | 22 | 20 | 14 | 16 | 28 | 38 | 50 | 96 | 89 | 75 | 101 | 52.86 | 129.95 | 31.00
| 4 | 71 | 68 | 58 | 47 | 44 | 25 | 35 | 71 | 59 | 50 | 54 | 51 | 48 | 15 | 38 | 39 | 47 | ~ | 34 | 40 | 30 | 59 | 42 | 30 | 25 | 23 | 16 | 18 | 17 | 67 | ~ | 42.09 | 71.47 | 29.00
| 5 | 39 | 45 | 44 | 34 | 20 | 25 | 35 | 41 | 46 | 43 | 50 | 33 | 47 | 20 | 26 | 29 | 33 | 29 | 20 | 29 | 40 | 45 | 40 | 25 | 20 | 26 | 33 | 17 | 21 | 36 | 29 | 32.95 | 50.18 | 31.00
| 6 | 23 | 24 | 36 | 31 | 49 | 37 | 36 | ~ | 38 | 21 | 24 | 25 | 22 | 25 | 27 | 31 | 39 | 35 | 67 | 44 | 65 | 41 | 40 | 28 | 30 | 35 | 33 | 21 | 16 | 23 | ~ | 33.33 | 66.73 | 29.00
| 7 | 36 | 23 | 21 | 18 | 24 | 20 | 20 | 27 | 40 | 31 | 26 | 28 | 34 | 24 | 46 | ~ | 31 | 17 | 25 | 28 | 25 | 19 | 26 | 21 | 26 | 26 | 25 | 37 | 47 | 48 | 52 | 29.08 | 52.38 | 30.00
| 8 | 53 | 43 | 28 | 30 | 22 | 35 | 43 | 39 | 54 | 32 | 35 | ~ | ~ | 23 | 23 | 38 | 55 | 55 | 53 | ~ | ~ | ~ | 65 | 57 | 56 | 61 | 54 | 49 | 62 | 75 | 51 | 45.73 | 74.84 | 26.00
| 9 | 16 | 26 | 40 | 42 | 33 | 38 | 47 | 43 | 65 | 45 | 37 | 40 | 53 | 26 | 12 | 24 | 21 | 30 | 44 | 54 | 33 | 28 | 29 | 21 | 25 | 23 | 16 | 31 | 41 | 63 | ~ | 34.91 | 64.60 | 30.00
| 10 | 54 | 70 | 53 | 30 | 18 | 17 | 18 | 21 | 30 | 43 | 33 | 30 | 45 | 29 | 41 | 41 | 22 | 20 | 16 | 44 | 49 | 42 | 13 | 40 | 15 | 13 | 17 | ~ | ~ | 56 | 41 | 33.19 | 70.29 | 29.00
| 11 | 51 | 18 | 63 | 40 | 31 | 45 | 55 | ~ | ~ | 36 | 14 | 45 | 45 | 54 | 91 | 75 | 35 | ~ | 23 | 41 | 41 | 41 | 32 | 54 | 72 | ~ | 35 | 35 | 34 | 10 | ~ | 42.91 | 91.25 | 26.00
| 12 | 44 | 40 | 35 | 53 | 47 | 37 | ~ | ~ | ~ | ~ | ~ | 71 | 80 | 86 | 80 | 56 | 55 | 33 | 52 | 89 | 135 | 50 | 52 | 45 | 41 | 46 | 59 | 75 | 16 | 15 | 38 | 54.99 | 134.88 | 26.00
|
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. | 28 | 22 | 21 | 14 | 5 | 0 | 0 | 0 | 90
| 62 | 40 | 19 | 5 | 0 | 0 | 0 | 130
| REL. | 31.1 | 24.4 | 23.3 | 15.5 | 5.5 | 0.0 | 0.0 | 0.0 | 100.0
| 68.9 | 44.4 | 21.1 | 5.6 | 0.0 | 0.0 | 0.0 | 17.3
| ID | 31 | 24 | 23 | 31 | 27 | 0 | 0 | 0 | 137
| |
|
|
ABS. | 15 | 57 | 15 | 2 | 0 | 0 | 0 | 0 | 89
| 74 | 17 | 2 | 0 | 0 | 0 | 0 | 71
| REL. | 16.8 | 64.0 | 16.8 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 83.1 | 19.1 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 8.4
| ID | 16 | 64 | 16 | 4 | 0 | 0 | 0 | 0 | 102
| |
|
|
ABS. | 17 | 47 | 21 | 1 | 0 | 0 | 0 | 0 | 86
| 69 | 22 | 1 | 0 | 0 | 0 | 0 | 75
| REL. | 19.7 | 54.6 | 24.4 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 80.2 | 25.6 | 1.2 | 0.0 | 0.0 | 0.0 | 0.0 | 30.8
| ID | 19 | 54 | 24 | 2 | 0 | 0 | 0 | 0 | 101
| |
|
|
ABS. | 17 | 36 | 17 | 10 | 1 | 0 | 0 | 0 | 81
| 64 | 28 | 11 | 1 | 0 | 0 | 0 | 135
| REL | 20.9 | 44.4 | 20.9 | 12.3 | 1.2 | 0.0 | 0.0 | 0.0 | 100.0
| 79.0 | 34.6 | 13.6 | 1.2 | 0.0 | 0.0 | 0.0 | 21.12
| ID | 20 | 44 | 20 | 24 | 6 | 0 | 0 | 0 | 117
|
Year
| ABS. | 77 | 162 | 74 | 27 | 6 | 0 | 0 | 0 | 346
| 269 | 107 | 33 | 6 | 0 | 0 | 0 | 135 | REL. | 22.2 | 46.8 | 21.3 | 7.8 | 1.7 | 0.0 | 0.0 | 0.0 | 100.0
| 77.7 | 30.9 | 9.5 | 1.7 | 0.0 | 0.0 | 0.0 | 21.12
| ID | 22 | 46 | 21 | 15 | 8 | 0 | 0 | 0 | 114
|
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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