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 | ~ | 63 | ~ | ~ | ~ | ~ | ~ | ~ | 28 | ~ | 58 | 62 | 68 | ~ | ~ | ~ | ~ | ~ | ~ | ~ | 26 | 45 | ~ | 64 | 51 | 56 | 74 | 47 | 51 | 38 | 24 | 50.31 | 74.44 | 15.00
| 2 | 20 | 28 | 28 | ~ | ~ | ~ | ~ | 41 | 73 | 72 | 61 | 54 | 67 | 58 | 53 | 41 | 16 | 42 | ~ | 43 | ~ | ~ | ~ | 27 | ~ | ~ | ~ | ~ | ~ | ~ | ~ | 45.25 | 72.83 | 16.00
| 3 | 38 | ~ | ~ | 71 | 22 | 25 | 22 | 22 | 24 | 32 | 31 | ~ | ~ | 26 | 23 | ~ | 34 | 51 | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | 32.33 | 70.81 | 13.00
| 4 | 53 | 30 | ~ | 20 | 17 | 27 | 33 | 35 | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | 15 | 10 | 11 | 8.61 | 17 | 8.81 | 15 | 13 | ~ | 21.11 | 53.26 | 15.00
| 5 | 8.22 | 4.12 | 5.79 | 6.67 | 11 | 11 | 8.35 | 8.67 | 11 | 14 | 14 | 19 | 22 | 13 | ~ | 14 | 11 | 11 | 17 | 18 | 10 | 7.24 | 7.18 | ~ | 6.90 | 10 | ~ | 13 | 10 | 4.93 | 6.10 | 10.81 | 22.32 | 28.00
| 6 | ~ | 9 | 7.25 | 11 | 16 | 17 | 19 | 9 | ~ | 11 | 5.15 | 4.66 | 8.83 | 12 | 10 | 12 | 9 | 9 | 8.44 | 11 | 20 | 19 | 13 | 12 | 8.90 | 13 | 13 | 10 | 8.88 | 12 | ~ | 11.41 | 20.25 | 28.00
| 7 | 8.07 | 13 | 16 | 14 | 14 | 12 | 10 | 7.76 | 16 | 10 | 10 | 8.93 | 8.65 | 12 | 8.70 | 12 | 10 | 7.68 | 12 | 14 | 21 | 17 | 17 | 8.42 | 15 | 17 | 15 | 15 | 6.60 | 5.26 | 10 | 11.92 | 21.30 | 31.00
| 8 | ~ | ~ | 12 | 14 | 12 | 13 | 19 | 17 | 20 | 12 | 22 | 21 | 18 | 11 | 16 | 20 | 15 | 22 | 20 | 25 | ~ | 9 | 4.92 | 5.91 | ~ | 11 | 8.17 | 3.93 | 8.01 | 6.99 | 6.57 | 13.89 | 24.53 | 27.00
| 9 | 15 | 11 | 19 | 12 | 12 | 6.93 | 12 | 11 | ~ | 10 | 5.66 | ~ | 8.37 | 5.78 | 6.45 | 7.51 | 6.77 | 6.50 | 16 | 15 | 20 | 19 | 29 | 35 | 34 | 29 | 14 | 9 | 13 | 21 | ~ | 14.61 | 34.85 | 28.00
| 10 | 16 | 10 | 18 | 15 | 23 | 13 | 16 | 13 | 13 | 7.45 | 5.83 | 5.94 | 9 | 8.70 | 8.49 | 22 | 13 | 7.53 | 24 | 10 | 15 | 15 | 17 | 7.83 | 7.71 | ~ | 7.12 | 5.03 | 2.52 | 4.59 | 5.66 | 11.57 | 24.10 | 30.00
| 11 | 6.52 | ~ | 5.79 | 6.14 | 9.00 | 9 | 24 | 28 | 10 | 14 | 11 | 27 | 27 | 15 | 13 | 13 | 11 | 15 | 18 | 16 | 19 | 40 | 38 | 35 | 41 | 40 | ~ | ~ | 27 | 37 | ~ | 20.56 | 40.70 | 27.00
| 12 | 29 | 43 | 40 | 20 | 10 | 7.54 | 12 | 15 | 53 | 62 | 63 | 27 | 11 | 10 | 17 | 11 | 24 | 26 | 10 | 14 | 13 | 18 | 23 | 29 | 15 | 10 | 7.19 | 44 | 64 | 31 | 25 | 25.36 | 64.43 | 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. | 9 | 17 | 18 | 0 | 0 | 0 | 0 | 0 | 441
| 35 | 18 | 0 | 0 | 0 | 0 | 0 | 74
| REL. | 20.4 | 38.6 | 40.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 79.5 | 40.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 27.1
| ID | 20 | 38 | 40 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 66 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 71
| 5 | 1 | 0 | 0 | 0 | 0 | 0 | 53
| REL. | 92.9 | 5.6 | 1.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 7.0 | 1.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 1.4
| ID | 92 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 82 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 86
| 4 | 0 | 0 | 0 | 0 | 0 | 0 | 35
| REL. | 95.3 | 4.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 4.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 24.9
| ID | 95 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 66 | 18 | 4 | 0 | 0 | 0 | 0 | 0 | 88
| 22 | 4 | 0 | 0 | 0 | 0 | 0 | 64
| REL | 75.0 | 20.4 | 4.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 25.0 | 4.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 29.12
| ID | 75 | 20 | 4 | 0 | 0 | 0 | 0 | 0 | 100
|
Year
| ABS. | 223 | 43 | 23 | 0 | 0 | 0 | 0 | 0 | 289
| 66 | 23 | 0 | 0 | 0 | 0 | 0 | 74 | REL. | 77.1 | 14.8 | 7.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 22.8 | 8.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 27.1
| ID | 77 | 14 | 7 | 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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