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 | 45 | 24 | 30 | 21 | 25 | 61 | 48 | 37 | 30 | 46 | 39 | 65 | 41 | 38 | 40 | 25 | 8.31 | 5.71 | 13 | 13 | 11 | 23 | 43 | 39 | 48 | 31 | 24 | 30 | 13 | 12 | 14 | 30.39 | 65.02 | 31.00
| 2 | 24 | 22 | 11 | 20 | 23 | 40 | 38 | 10 | 12 | 21 | 20 | 21 | 17 | 12 | 20 | 11 | 20 | 18 | 44 | 27 | 27 | 33 | 28 | 28 | 13 | 22 | 21 | 34 | 44 | ~ | ~ | 23.45 | 44.08 | 29.00
| 3 | 21 | 11 | 13 | 8.47 | 8.55 | 20 | 19 | 14 | 9 | 12 | 10 | 24 | 25 | 20 | 6.45 | 10 | 12 | 20 | 13 | 19 | 17 | 24 | 32 | 57 | 17 | 38 | 19 | 18 | 22 | 11 | 13 | 18.20 | 56.69 | 31.00
| 4 | 20 | 27 | 18 | 16 | 19 | 13 | 11 | 17 | 22 | 27 | 27 | 16 | 10 | 17 | 19 | 11 | 17 | 11 | 28 | 25 | 29 | 41 | 31 | 24 | 16 | 15 | 30 | 27 | 18 | 39 | ~ | 21.37 | 40.58 | 30.00
| 5 | 27 | 18 | 16 | 18 | 19 | 26 | 31 | 25 | 17 | 17 | 24 | 21 | 13 | 11 | 14 | 18 | 54 | 13 | 10 | 10 | 15 | 15 | 15 | 13 | 19 | 34 | 35 | 14 | 10 | 11 | 8.74 | 18.99 | 54.15 | 31.00
| 6 | 15 | 14 | 19 | ~ | ~ | 18 | 14 | 14 | 27 | 26 | 24 | 16 | 18 | 18 | 9 | 13 | 10 | 11 | 16 | 15 | 12 | 26 | 8.65 | 9 | 11 | 8.27 | 10 | 11 | 10 | 10 | ~ | 14.81 | 27.50 | 28.00
| 7 | 25 | 14 | 10 | 18 | 15 | 12 | 20 | 12 | 12 | 5.27 | 7.59 | 11 | 17 | 8.31 | 10 | 10 | 9 | 10 | 7.12 | 10 | 9 | 9 | 13 | 14 | 7.37 | 9 | 14 | 9 | 12 | 14 | 11 | 11.75 | 24.59 | 31.00
| 8 | 14 | 8.44 | 17 | 9 | 11 | 18 | 10 | 6.47 | 10 | 14 | 12 | 13 | 16 | 20 | 21 | 6.69 | 14 | 10 | 16 | 19 | 12 | 7.47 | 8.38 | 20 | 7.50 | 11 | 10 | 14 | 13 | 16 | 22 | 13.16 | 22.20 | 31.00
| 9 | 22 | 9 | 6.66 | 5.56 | 6.16 | 9 | 14 | 15 | 14 | 23 | ~ | 25 | 16 | 20 | 23 | 14 | 5.33 | 12 | 17 | 21 | 15 | 14 | 13 | 13 | 18 | 19 | 20 | 31 | 33 | 34 | ~ | 16.88 | 33.69 | 29.00
| 10 | 26 | 15 | 18 | 29 | 27 | 11 | 13 | 13 | 6.27 | 12 | 18 | 13 | 25 | 33 | 32 | 24 | 20 | 19 | 30 | 24 | 23 | 37 | 34 | 23 | 14 | 12 | 15 | 13 | 18 | 20 | 14 | 20.42 | 37.21 | 31.00
| 11 | 13 | 15 | 16 | 14 | 12 | ~ | ~ | 16 | 29 | 14 | 21 | 28 | 32 | 24 | 22 | 16 | 30 | 19 | ~ | 13 | 15 | 21 | 30 | 26 | 20 | 13 | 10 | 25 | 29 | 42 | ~ | 20.86 | 42.14 | 27.00
| 12 | 22 | 27 | 16 | 28 | 13 | 14 | 14 | 18 | 29 | 34 | 10 | 7.45 | 21 | 7.99 | 13 | 11 | 19 | 21 | 39 | 69 | 49 | 47 | 63 | 57 | 64 | 65 | 32 | 16 | 33 | 36 | 20 | 29.45 | 69.15 | 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. | 58 | 30 | 3 | 0 | 0 | 0 | 0 | 0 | 91
| 33 | 3 | 0 | 0 | 0 | 0 | 0 | 65
| REL. | 63.7 | 32.9 | 3.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 36.3 | 3.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 12.1
| ID | 63 | 32 | 3 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 70 | 18 | 1 | 0 | 0 | 0 | 0 | 0 | 89
| 19 | 1 | 0 | 0 | 0 | 0 | 0 | 54
| REL. | 78.6 | 20.2 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 21.3 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 17.5
| ID | 78 | 20 | 1 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 88 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 91
| 3 | 0 | 0 | 0 | 0 | 0 | 0 | 34
| REL. | 96.7 | 3.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 3.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 30.9
| ID | 96 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 57 | 27 | 5 | 0 | 0 | 0 | 0 | 0 | 89
| 32 | 5 | 0 | 0 | 0 | 0 | 0 | 69
| REL | 64.0 | 30.3 | 5.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 36.0 | 5.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 20.12
| ID | 64 | 30 | 5 | 0 | 0 | 0 | 0 | 0 | 100
|
Year
| ABS. | 273 | 78 | 9 | 0 | 0 | 0 | 0 | 0 | 360
| 87 | 9 | 0 | 0 | 0 | 0 | 0 | 69 | REL. | 75.8 | 21.6 | 2.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 24.2 | 2.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 20.12
| ID | 75 | 21 | 2 | 0 | 0 | 0 | 0 | 0 | 100
|
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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