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 | 16 | 15 | 14 | 13 | 13 | 13 | 13 | 13 | 14 | 14 | 13 | 17 | 12 | 12 | 16 | 12 | 12 | 12 | 12 | 15 | 16 | 13 | 14 | 17 | 14 | 13 | 14 | 15 | 13 | 12 | 13 | 13.70 | 16.81 | 31.00
| 2 | 12 | 13 | 13 | 13 | 15 | 15 | 14 | 15 | 14 | 11 | 37 | 32 | 23 | 25 | 32 | 25 | 37 | 27 | 46 | 46 | 49 | 44 | 58 | 32 | 24 | 42 | 27 | 39 | 59 | ~ | ~ | 28.92 | 58.61 | 29.00
| 3 | 32 | 25 | 20 | 23 | 23 | 29 | 30 | 19 | 19 | 28 | 22 | 37 | 44 | 27 | 21 | 28 | 28 | 43 | 31 | 32 | 34 | 57 | 79 | 80 | 39 | 56 | 31 | 30 | 38 | 19 | 30 | 33.95 | 79.78 | 31.00
| 4 | 43 | 38 | 27 | 46 | 35 | 25 | 28 | 38 | 31 | 41 | 41 | 25 | 17 | 31 | 32 | 19 | 29 | 26 | 38 | 44 | 51 | 47 | 40 | 34 | 26 | 29 | 38 | 36 | 33 | 56 | ~ | 34.74 | 55.72 | 30.00
| 5 | 38 | 28 | 33 | 37 | 35 | 33 | 39 | 32 | 27 | 40 | 36 | 29 | 23 | 20 | 24 | 31 | 40 | 22 | 21 | 21 | 24 | 24 | 34 | 25 | 29 | 26 | 21 | 24 | 16 | 15 | 18 | 27.95 | 39.76 | 31.00
| 6 | 22 | 23 | 28 | 28 | 23 | 27 | 22 | 22 | 36 | 31 | 32 | 26 | 27 | 24 | 22 | 22 | 17 | 17 | 21 | 22 | 29 | 38 | 17 | 21 | 19 | 17 | 20 | 24 | 18 | 19 | ~ | 23.88 | 37.74 | 30.00
| 7 | 37 | 23 | 21 | 20 | 19 | 18 | 26 | 27 | 25 | 15 | 17 | 21 | 20 | 20 | 24 | 24 | 25 | 19 | 21 | 24 | 29 | 19 | 24 | 29 | 18 | 21 | 24 | 19 | 24 | 21 | 28 | 22.65 | 36.97 | 31.00
| 8 | 33 | 24 | 14 | 15 | 21 | 24 | 17 | 13 | 16 | 23 | ~ | ~ | ~ | ~ | 28 | 14 | 16 | 20 | 22 | 26 | 22 | 10 | 17 | 32 | 16 | 16 | 21 | 21 | 19 | 31 | 27 | 20.74 | 33.20 | 27.00
| 9 | 35 | 20 | 16 | 11 | 14 | 15 | 21 | 21 | 18 | 20 | 40 | 28 | 29 | 26 | 29 | 21 | 15 | 16 | 23 | 21 | 20 | 29 | 32 | 34 | 25 | 28 | 36 | 41 | 41 | 42 | ~ | 25.60 | 42.33 | 30.00
| 10 | 36 | 13 | 29 | 36 | 43 | 20 | 20 | 22 | 15 | 18 | 19 | 20 | 27 | 49 | 36 | 26 | 28 | 31 | 27 | 31 | 26 | 45 | 62 | 38 | 21 | 18 | 24 | 20 | 22 | 35 | 21 | 28.32 | 62.46 | 31.00
| 11 | 15 | 18 | 20 | 29 | 22 | 17 | 26 | 23 | 30 | 26 | 36 | 26 | 36 | 43 | 33 | 30 | 47 | 33 | 25 | 26 | ~ | 28 | 44 | 55 | 39 | 27 | 19 | 23 | 32 | 50 | ~ | 30.21 | 55.49 | 29.00
| 12 | 43 | 28 | 23 | 34 | 15 | 19 | 18 | 26 | 33 | 21 | 18 | 14 | 15 | 16 | 12 | 18 | 30 | 32 | 43 | 48 | 35 | 42 | 46 | 53 | 77 | 82 | 28 | 35 | 55 | 52 | 39 | 33.90 | 82.02 | 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. | 53 | 32 | 4 | 2 | 0 | 0 | 0 | 0 | 91
| 38 | 6 | 2 | 0 | 0 | 0 | 0 | 80
| REL. | 58.2 | 35.1 | 4.3 | 2.1 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 41.8 | 6.6 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 24.3
| ID | 58 | 35 | 4 | 4 | 0 | 0 | 0 | 0 | 102
| |
|
|
ABS. | 36 | 53 | 2 | 0 | 0 | 0 | 0 | 0 | 91
| 55 | 2 | 0 | 0 | 0 | 0 | 0 | 56
| REL. | 39.5 | 58.2 | 2.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 60.4 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 30.4
| ID | 39 | 58 | 2 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 61 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 88
| 27 | 0 | 0 | 0 | 0 | 0 | 0 | 42
| REL. | 69.3 | 30.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 30.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 30.9
| ID | 69 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 34 | 49 | 6 | 2 | 0 | 0 | 0 | 0 | 91
| 57 | 8 | 2 | 0 | 0 | 0 | 0 | 82
| REL | 37.3 | 53.8 | 6.5 | 2.1 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 62.6 | 8.8 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 26.12
| ID | 37 | 53 | 6 | 4 | 0 | 0 | 0 | 0 | 102
|
Year
| ABS. | 184 | 161 | 12 | 4 | 0 | 0 | 0 | 0 | 361
| 177 | 16 | 4 | 0 | 0 | 0 | 0 | 82 | REL. | 50.9 | 44.5 | 3.3 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 49.0 | 4.4 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 26.12
| ID | 50 | 44 | 3 | 2 | 0 | 0 | 0 | 0 | 101
|
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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