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 | 31 | 13 | 5.49 | 7.14 | 10 | 6.43 | 6.43 | 4.30 | 6.90 | 30 | 28 | 13 | 17 | 25 | 18 | 12 | 6.52 | 12 | 5.76 | 9 | 8.25 | 15 | 21 | 33 | 48 | 83 | 87 | 38 | 43 | 21 | 18 | 22.08 | 87.18 | 31.00
| 2 | 32 | 28 | 18 | 50 | 40 | 40 | 25 | 16 | 14 | 23 | 24 | 18 | 19 | 17 | 12 | 13 | 8.98 | 19 | 29 | 43 | 43 | 60 | 23 | 18 | 15 | 15 | 14 | 5.09 | ~ | ~ | ~ | 24.37 | 59.90 | 28.00
| 3 | 12 | 10 | 13 | 17 | 8.55 | 8.05 | 8.34 | 6.12 | 9 | 16 | 16 | 17 | 13 | 7.72 | 18 | 12 | 9 | 16 | 8.79 | 14 | 9 | 14 | 22 | 18 | 25 | 33 | 30 | 38 | 26 | 31 | 40 | 17.02 | 39.73 | 31.00
| 4 | 33 | 13 | 20 | 8.86 | 8.51 | 7.13 | 11 | 16 | 16 | 17 | 15 | 13 | 16 | 17 | 16 | 16 | 18 | 19 | 14 | 21 | 15 | 19 | 25 | 16 | 14 | 37 | 34 | 26 | 26 | 32 | ~ | 18.67 | 37.44 | 30.00
| 5 | 18 | 7.22 | 15 | 10 | 17 | 18 | 17 | 22 | 33 | 33 | 43 | 34 | 33 | 29 | 34 | 18 | 24 | 25 | 31 | 18 | 11 | 12 | 13 | 8.65 | 10 | ~ | ~ | ~ | ~ | ~ | ~ | 21.33 | 42.63 | 25.00
| 6 | ~ | 14 | 11 | 14 | 14 | 19 | 14 | 6.86 | 14 | 8.20 | 10 | 7.28 | 8.23 | 16 | 8.21 | 8.72 | 12 | 8.90 | 7.97 | 20 | 15 | 19 | 14 | 7.84 | 19 | 27 | 15 | 9 | 14 | 11 | ~ | 12.84 | 26.85 | 29.00
| 7 | 7.61 | 8.78 | 19 | 7.01 | 10 | 5.56 | 7.48 | 5.15 | 14 | 10 | 7.69 | 4.62 | 8.25 | 11 | 13 | 10 | 8.28 | 7.79 | 8.45 | 13 | 18 | 11 | 35 | 26 | 39 | 19 | 14 | 14 | 8.02 | 7.41 | 10 | 12.47 | 39.46 | 31.00
| 8 | 15 | 16 | 16 | 16 | 16 | 15 | 18 | 19 | 14 | 12 | 18 | 23 | 29 | 16 | 17 | 22 | 21 | 24 | 18 | 26 | 14 | 11 | 8.81 | 6.51 | 9 | 16 | 7.50 | 7.67 | 7.47 | 10 | 13 | 15.46 | 28.85 | 31.00
| 9 | 17 | 16 | 19 | 17 | 14 | 9 | 14 | 10 | 8.12 | 12 | 7.61 | 6.47 | 7.42 | 8.43 | 9 | 11 | 8.82 | 15 | 13 | 15 | 18 | 22 | 28 | 40 | 25 | 28 | 20 | 10 | 16 | 20 | ~ | 15.54 | 39.90 | 30.00
| 10 | 14 | 13 | 19 | 21 | 24 | 16 | 25 | 11 | 16 | 9 | 7.98 | 10 | 11 | 8.19 | 14 | 22 | 20 | 17 | 28 | 15 | 12 | 18 | 16 | 11 | 7.89 | 13 | 10 | 13 | 13 | 14 | 11 | 14.82 | 27.70 | 31.00
| 11 | ~ | ~ | ~ | 10 | 11 | 12 | 32 | 27 | 21 | 18 | 13 | 23 | 29 | 20 | 21 | 24 | 14 | 17 | 26 | 15 | 29 | 45 | 47 | 61 | 27 | 30 | 42 | 46 | 34 | 35 | ~ | 26.88 | 61.04 | 27.00
| 12 | 27 | 48 | 37 | 19 | 21 | 12 | 10 | 12 | 36 | 79 | 66 | 61 | 8.25 | 13 | 17 | 14 | 23 | 26 | 9 | 16 | 12 | 29 | 31 | 31 | 13 | 8.79 | 6.78 | 41 | 60 | 29 | 26 | 27.14 | 78.78 | 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. | 66 | 20 | 2 | 2 | 0 | 0 | 0 | 0 | 90
| 24 | 4 | 2 | 0 | 0 | 0 | 0 | 87
| REL. | 73.3 | 22.2 | 2.2 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 26.7 | 4.4 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 27.1
| ID | 73 | 22 | 2 | 4 | 0 | 0 | 0 | 0 | 102
| |
|
|
ABS. | 68 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 84
| 16 | 0 | 0 | 0 | 0 | 0 | 0 | 43
| REL. | 80.9 | 19.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 19.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 11.5
| ID | 80 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 83 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 92
| 9 | 0 | 0 | 0 | 0 | 0 | 0 | 40
| REL. | 90.2 | 9.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 9.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 24.9
| ID | 90 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 59 | 25 | 4 | 1 | 0 | 0 | 0 | 0 | 89
| 30 | 5 | 1 | 0 | 0 | 0 | 0 | 79
| REL | 66.2 | 28.0 | 4.4 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 33.7 | 5.6 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 10.12
| ID | 66 | 28 | 4 | 2 | 0 | 0 | 0 | 0 | 101
|
Year
| ABS. | 276 | 70 | 6 | 3 | 0 | 0 | 0 | 0 | 355
| 79 | 9 | 3 | 0 | 0 | 0 | 0 | 87 | REL. | 77.7 | 19.7 | 1.6 | 0.8 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 22.3 | 2.5 | 0.8 | 0.0 | 0.0 | 0.0 | 0.0 | 27.1
| ID | 77 | 19 | 1 | 1 | 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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