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 | 26 | 18 | 13 | 8.04 | 18 | 14 | 12 | 13 | 13 | 26 | 18 | 29 | 27 | 27 | 43 | 37 | 18 | 12 | 17 | 17 | 10 | 30 | 33 | 50 | 53 | 82 | 54 | 61 | 60 | 45 | 24 | 29.24 | 81.55 | 31.00
| 2 | 47 | 51 | 28 | 54 | 95 | 142 | 101 | 23 | 49 | 54 | 96 | 57 | 40 | 27 | 20 | 32 | 21 | 35 | 51 | 56 | 65 | 61 | 40 | 27 | 20 | 34 | 41 | 37 | ~ | ~ | ~ | 50.25 | 141.70 | 28.00
| 3 | 21 | 13 | 17 | 29 | 25 | 8.41 | 11 | 29 | 27 | 39 | 32 | 36 | 26 | 22 | 15 | 34 | 38 | 30 | 14 | 11 | 16 | 22 | 32 | 31 | 35 | 61 | 54 | 63 | 34 | 42 | 45 | 29.41 | 63.25 | 31.00
| 4 | 52 | 25 | 25 | 23 | 14 | 20 | 12 | 13 | 24 | 21 | 13 | 13 | 16 | 19 | 25 | 16 | 25 | 22 | 19 | 29 | 31 | 22 | 30 | 27 | 19 | 22 | 44 | 32 | 27 | 26 | ~ | 23.49 | 51.99 | 30.00
| 5 | 17 | 18 | 15 | 20 | 18 | 21 | 19 | 22 | 27 | 29 | 33 | 35 | 30 | 33 | 31 | 18 | 17 | 18 | 23 | 24 | 22 | 18 | 13 | 13 | 18 | 15 | 18 | 32 | 23 | 21 | 15 | 21.81 | 34.55 | 31.00
| 6 | 11 | 14 | 20 | 18 | 27 | 28 | 32 | 22 | 12 | 19 | 5.25 | 7.81 | 5.28 | 11 | 15 | 11 | 21 | 23 | 14 | 16 | 19 | 20 | 12 | 25 | 22 | 22 | 15 | 11 | 20 | 19 | ~ | 17.29 | 32.40 | 30.00
| 7 | 18 | 21 | 26 | 19 | 12 | 14 | 16 | 13 | 18 | 12 | 17 | 9 | 21 | 19 | 14 | 22 | 16 | 12 | 14 | 22 | 36 | 42 | 46 | 16 | 27 | 36 | 30 | 26 | 12 | 12 | 8.14 | 20.25 | 46.13 | 31.00
| 8 | 27 | 37 | 38 | 31 | 37 | 28 | 24 | 34 | 31 | 20 | 31 | 59 | 34 | 30 | 36 | 24 | 31 | 32 | 33 | 39 | 33 | 22 | 12 | 8.82 | 12 | 27 | 15 | 11 | 12 | 9 | 14 | 26.89 | 58.60 | 31.00
| 9 | 17 | 26 | 23 | 18 | 24 | 20 | 29 | 39 | 38 | 33 | 38 | 13 | 28 | 15 | 17 | 11 | 14 | 21 | 14 | 32 | 26 | 44 | 39 | 51 | 43 | 34 | 21 | 34 | 22 | 31 | ~ | 27.19 | 50.57 | 30.00
| 10 | 16 | 11 | 20 | 32 | 34 | 16 | 34 | 41 | 23 | 16 | 17 | 8.91 | 12 | 23 | 21 | 29 | 47 | 20 | 45 | 32 | 28 | 32 | 44 | 41 | 26 | 17 | 12 | 15 | 17 | 12 | 15 | 24.39 | 47.07 | 31.00
| 11 | 12 | 28 | 23 | 19 | 26 | 18 | 27 | 70 | 76 | 29 | 32 | 37 | 45 | 48 | 39 | 35 | 30 | 33 | 46 | 65 | 77 | 91 | 142 | 233 | 57 | 75 | 81 | 82 | 66 | 53 | ~ | 56.49 | 233.13 | 30.00
| 12 | 50 | 77 | 72 | 40 | 17 | 13 | 13 | 26 | 29 | 55 | 106 | 85 | 30 | 15 | 50 | 19 | 50 | 19 | 27 | 19 | 20 | 38 | 69 | 40 | 61 | 56 | 53 | 65 | 70 | 60 | 49 | 44.97 | 106.32 | 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. | 31 | 38 | 16 | 4 | 1 | 0 | 0 | 0 | 90
| 59 | 21 | 5 | 1 | 0 | 0 | 0 | 142
| REL. | 34.4 | 42.2 | 17.7 | 4.4 | 1.1 | 0.0 | 0.0 | 0.0 | 100.0
| 65.6 | 23.3 | 5.6 | 1.1 | 0.0 | 0.0 | 0.0 | 6.2
| ID | 34 | 42 | 17 | 8 | 5 | 0 | 0 | 0 | 108
| |
|
|
ABS. | 69 | 21 | 1 | 0 | 0 | 0 | 0 | 0 | 91
| 22 | 1 | 0 | 0 | 0 | 0 | 0 | 52
| REL. | 75.8 | 23.0 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 24.2 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.4
| ID | 75 | 23 | 1 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 49 | 41 | 2 | 0 | 0 | 0 | 0 | 0 | 92
| 43 | 2 | 0 | 0 | 0 | 0 | 0 | 59
| REL. | 53.2 | 44.5 | 2.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 46.7 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 12.8
| ID | 53 | 44 | 2 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 30 | 35 | 16 | 9 | 1 | 0 | 1 | 0 | 92
| 62 | 27 | 11 | 2 | 1 | 1 | 0 | 233
| REL | 32.6 | 38.0 | 17.3 | 9.7 | 1.0 | 0.0 | 1.0 | 0.0 | 100.0
| 67.4 | 29.3 | 12.0 | 2.2 | 1.1 | 1.1 | 0.0 | 24.11
| ID | 32 | 38 | 17 | 19 | 5 | 0 | 135 | 0 | 248
|
Year
| ABS. | 179 | 135 | 35 | 13 | 2 | 0 | 1 | 0 | 365
| 186 | 51 | 16 | 3 | 1 | 1 | 0 | 233 | REL. | 49.0 | 36.9 | 9.5 | 3.5 | 0.5 | 0.0 | 0.2 | 0.0 | 100.0
| 51.0 | 14.0 | 4.4 | 0.8 | 0.3 | 0.3 | 0.0 | 24.11
| ID | 49 | 36 | 9 | 7 | 2 | 0 | 34 | 0 | 139
|
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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