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 | 6.45 | 9 | 12 | 6.29 | 4.93 | 10 | 8.24 | 5.57 | 10 | 23 | 14 | 7.26 | 12 | 9 | 29 | 13 | 9 | 15 | 12 | 14 | 10 | 24 | 32 | 30 | 59 | 79 | 64 | 56 | 44 | 24 | 21 | 21.71 | 79.02 | 31.00
| 2 | 21 | 47 | 38 | 34 | 70 | 41 | 48 | 35 | 29 | 34 | 28 | 24 | 32 | 32 | 17 | 17 | 12 | 28 | 32 | 55 | 81 | 87 | 50 | 22 | 21 | 16 | 29 | 14 | ~ | ~ | ~ | 35.40 | 86.62 | 28.00
| 3 | 13 | 15 | 18 | 27 | 10 | 7.21 | 12 | 7.27 | 12 | 24 | 26 | 28 | 14 | 14 | 19 | 21 | 10 | 24 | 13 | 11 | 10 | 17 | 35 | 27 | 34 | 46 | 44 | 43 | 35 | 44 | 52 | 22.99 | 51.96 | 31.00
| 4 | 44 | 23 | 11 | ~ | ~ | ~ | 25 | 12 | 14 | 13 | 10 | 15 | 11 | 15 | 17 | 18 | 25 | 28 | 22 | 22 | 18 | 27 | 34 | 22 | 17 | 23 | 33 | 36 | 28 | 26 | ~ | 21.76 | 44.17 | 27.00
| 5 | 13 | 6.93 | 20 | 20 | 25 | 19 | 17 | 20 | 34 | 39 | 29 | 33 | 27 | 16 | 18 | 16 | 16 | 22 | 23 | 23 | 17 | 11 | 15 | 13 | 12 | 14 | 22 | 27 | 31 | 16 | 12 | 20.16 | 39.34 | 31.00
| 6 | 6.85 | 16 | 12 | 12 | 19 | 34 | 33 | 10 | 13 | 14 | 6.75 | 11 | 13 | 12 | 7.79 | 9 | 11 | 12 | 12 | 22 | 31 | 27 | 25 | 14 | 22 | 19 | 21 | 10 | 8.43 | 12 | ~ | 15.87 | 34.31 | 30.00
| 7 | 11 | 16 | 18 | 14 | 15 | 15 | 10 | 6.15 | 18 | 11 | 10 | 6.86 | 9 | 12 | 10 | 13 | 8.50 | 10 | 11 | 18 | 35 | 27 | 24 | 20 | 19 | 37 | 22 | 21 | 7.98 | 12 | 8.13 | 15.35 | 36.71 | 31.00
| 8 | 17 | 29 | 31 | 30 | 22 | 16 | 25 | 23 | 24 | 19 | 40 | 35 | 30 | 26 | 34 | 38 | 34 | 26 | 35 | 40 | 15 | 11 | 13 | 8.27 | 8.02 | 17 | 9 | 10 | 8.63 | 10 | 14 | 22.55 | 39.97 | 31.00
| 9 | 19 | 26 | 22 | 25 | 17 | 9 | 15 | 22 | 15 | 35 | 28 | 10 | 7.95 | 10 | 7.60 | 7.59 | 7.87 | 18 | 18 | 24 | 19 | 29 | 38 | 47 | 35 | 38 | 19 | 12 | 12 | 33 | ~ | 20.84 | 46.62 | 30.00
| 10 | 15 | 13 | 25 | 24 | 21 | 12 | 24 | 9 | 11 | 14 | 5.93 | 8.48 | 8.08 | 12 | 9 | 18 | 9 | 10 | 20 | 16 | 25 | 25 | 44 | 12 | 8.60 | 12 | 8.56 | 5.96 | ~ | 6.13 | 7.93 | 14.72 | 44.40 | 30.00
| 11 | 7.79 | 20 | 12 | 12 | 15 | 17 | 22 | 40 | 17 | 14 | 10 | 23 | 22 | 28 | 17 | 30 | 11 | 18 | 30 | 21 | 59 | 45 | 28 | 54 | 21 | 39 | 60 | 30 | 12 | 47 | ~ | 26.06 | 59.97 | 30.00
| 12 | 39 | 60 | 26 | 18 | 14 | 8.27 | 12 | 21 | 54 | 66 | 36 | 57 | 18 | 8.55 | 23 | 19 | 30 | 45 | 19 | 17 | 13 | 27 | 31 | 53 | 46 | 38 | 73 | 80 | 84 | 31 | 21 | 35.14 | 84.32 | 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. | 51 | 30 | 6 | 3 | 0 | 0 | 0 | 0 | 90
| 39 | 9 | 3 | 0 | 0 | 0 | 0 | 87
| REL. | 56.6 | 33.3 | 6.6 | 3.3 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 43.3 | 10.0 | 3.3 | 0.0 | 0.0 | 0.0 | 0.0 | 22.2
| ID | 56 | 33 | 6 | 6 | 0 | 0 | 0 | 0 | 103
| |
|
|
ABS. | 66 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 88
| 22 | 0 | 0 | 0 | 0 | 0 | 0 | 44
| REL. | 75.0 | 25.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 25.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.4
| ID | 75 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 67 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 92
| 25 | 0 | 0 | 0 | 0 | 0 | 0 | 47
| REL. | 72.8 | 27.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 27.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 24.9
| ID | 72 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 60 | 20 | 9 | 2 | 0 | 0 | 0 | 0 | 91
| 31 | 11 | 2 | 0 | 0 | 0 | 0 | 84
| REL | 65.9 | 21.9 | 9.8 | 2.1 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 34.1 | 12.1 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 29.12
| ID | 65 | 21 | 9 | 4 | 0 | 0 | 0 | 0 | 102
|
Year
| ABS. | 244 | 97 | 15 | 5 | 0 | 0 | 0 | 0 | 361
| 117 | 20 | 5 | 0 | 0 | 0 | 0 | 87 | REL. | 67.5 | 26.8 | 4.1 | 1.3 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 32.4 | 5.5 | 1.4 | 0.0 | 0.0 | 0.0 | 0.0 | 22.2
| ID | 67 | 26 | 4 | 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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