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 | 19 | 17 | 18 | 11 | 8.57 | 17 | 15 | 7.67 | 7.40 | 12 | 11 | 16 | 18 | 8.70 | 10 | 16 | 23 | 12 | 7.66 | 12 | 18 | 16 | 14 | 14 | 12 | 10 | 14 | 17 | 16 | 25 | 13 | 14.07 | 24.99 | 31.00
| 2 | 22 | 4.90 | 4.52 | 6.29 | 5.41 | 6.47 | 10 | 13 | 15 | 12 | 21 | 34 | 20 | 28 | 36 | 17 | 6.26 | 7.15 | 17 | 11 | 18 | 7.70 | 12 | 14 | 15 | 22 | 31 | 28 | ~ | ~ | ~ | 15.91 | 35.68 | 28.00
| 3 | 13 | 7.88 | 17 | 24 | 16 | 14 | 13 | 16 | 18 | 16 | 12 | 20 | 30 | 43 | 22 | 32 | 27 | 31 | 38 | 10 | 25 | 16 | 15 | 20 | 18 | 18 | 25 | 23 | 28 | 42 | 56 | 22.73 | 56.18 | 31.00
| 4 | 46 | 32 | 22 | 41 | 41 | 17 | 13 | 7.68 | 13 | 17 | 20 | 18 | 12 | 11 | 8.89 | 5.40 | 7.43 | 15 | 8.23 | 12 | 14 | 11 | 13 | 17 | 14 | 22 | 10 | 18 | 20 | 18 | ~ | 17.48 | 46.45 | 30.00
| 5 | 17 | 8.62 | 19 | 12 | 11 | 15 | 21 | 24 | 13 | 17 | 9 | 10 | 9 | 10 | 6.13 | 11 | 18 | 23 | 18 | 23 | 14 | 19 | 15 | 19 | 20 | 17 | 20 | 25 | 18 | 14 | 11 | 15.71 | 25.19 | 31.00
| 6 | 8.94 | 17 | 11 | 7.72 | 10 | 12 | 10 | 10 | 7.56 | 14 | 12 | 7.01 | 11 | 5.15 | 14 | 12 | 11 | 4.07 | 14 | 14 | 10 | 6.67 | 6.56 | 14 | 11 | 20 | 23 | 13 | 11 | 17 | ~ | 11.41 | 22.93 | 30.00
| 7 | 14 | 18 | 16 | 24 | 26 | 20 | 8.66 | 5.71 | 14 | 19 | 17 | 22 | 24 | 46 | 13 | 21 | 27 | 21 | 21 | 18 | 14 | 14 | 9 | 12 | 13 | 14 | 12 | 12 | 13 | 11 | 12 | 17.15 | 46.10 | 31.00
| 8 | 15 | 26 | 32 | 36 | 41 | 28 | 26 | 20 | 36 | 14 | 13 | 8.14 | 5.92 | 19 | 7.50 | 10 | 6.53 | 11 | 5.68 | 10 | 6.93 | 6.69 | 7.47 | 16 | 28 | 34 | 28 | 18 | 8.87 | 8.91 | 15 | 17.67 | 40.78 | 31.00
| 9 | 6.79 | 8.36 | 19 | 21 | 15 | 14 | 16 | 17 | 28 | 34 | 20 | 23 | 23 | 20 | 33 | 40 | 24 | 37 | 41 | 22 | 11 | 11 | 10 | 10 | 7.83 | 7.76 | 38 | 10 | 4.88 | 18 | ~ | 19.69 | 41.22 | 30.00
| 10 | 5.43 | 11 | 10 | 5.11 | 10 | 7.94 | 7.28 | 14 | 5.21 | 3.34 | 10 | 8.37 | 8.05 | 5.68 | 5.34 | 2.66 | 3.88 | 12 | 13 | 22 | 20 | 19 | 10 | 9 | 12 | 33 | 17 | 19 | 12 | 23 | 8.02 | 11.45 | 33.09 | 31.00
| 11 | 22 | 24 | 8.34 | 43 | 48 | 31 | 16 | 8.30 | 11 | 18 | 20 | 14 | 10 | 7.86 | 5.86 | 17 | 27 | 14 | 12 | 22 | 15 | 27 | 13 | 7.19 | 9 | 17 | 24 | 18 | 10 | 24 | ~ | 18.17 | 48.05 | 30.00
| 12 | 10 | 6.74 | 10 | 14 | 7.52 | 7.40 | 4.78 | 12 | 29 | 26 | 16 | 5.98 | 9 | 7.73 | 7.96 | 12 | 20 | 6.70 | 9 | 11 | 7.43 | 15 | 25 | 31 | 28 | 7.22 | 8.21 | 7.36 | 7.18 | 14 | 22 | 13.12 | 30.61 | 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. | 74 | 15 | 1 | 0 | 0 | 0 | 0 | 0 | 90
| 16 | 1 | 0 | 0 | 0 | 0 | 0 | 56
| REL. | 82.2 | 16.6 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 17.8 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 31.3
| ID | 82 | 16 | 1 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 86 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 91
| 5 | 0 | 0 | 0 | 0 | 0 | 0 | 46
| REL. | 94.5 | 5.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 5.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.4
| ID | 94 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 72 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 92
| 20 | 0 | 0 | 0 | 0 | 0 | 0 | 46
| REL. | 78.2 | 21.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 21.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 14.7
| ID | 78 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 82 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 92
| 10 | 0 | 0 | 0 | 0 | 0 | 0 | 48
| REL | 89.1 | 10.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 10.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 5.11
| ID | 89 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 100
|
Year
| ABS. | 314 | 50 | 1 | 0 | 0 | 0 | 0 | 0 | 365
| 51 | 1 | 0 | 0 | 0 | 0 | 0 | 56 | REL. | 86.0 | 13.6 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 14.0 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 31.3
| ID | 86 | 13 | | 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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