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 | 33 | 19 | 13 | 12 | 15 | 12 | 19 | 13 | 13 | 30 | 26 | 38 | 40 | 50 | 20 | 6.44 | 5.81 | 3.06 | 5.48 | 7.00 | 4.30 | 6.31 | 6.92 | 15 | 19 | 29 | 14 | 13 | 10 | 5.81 | 5.71 | 16.43 | 49.88 | 31.00
| 2 | 8.15 | 6.77 | 6.65 | 6.81 | ~ | 22 | 13 | 6.96 | 10 | 16 | 16 | 6.31 | 8.31 | 8.27 | 6.13 | 20 | 12 | 36 | 40 | 49 | 50 | 48 | 24 | 15 | 10 | 15 | 22 | 12 | ~ | ~ | ~ | 18.28 | 49.69 | 27.00
| 3 | 13 | 16 | 20 | 56 | 11 | 10 | 14 | 8.02 | 13 | 20 | 24 | 32 | 11 | 11 | 21 | 15 | 7.54 | 16 | 9 | 8.63 | 10 | 13 | 24 | 29 | 43 | 43 | 50 | 27 | 35 | 59 | 64 | 23.67 | 63.63 | 31.00
| 4 | 50 | 29 | 20 | 17 | 22 | 25 | 22 | 11 | 18 | 21 | 21 | 14 | 24 | 22 | 25 | 26 | 26 | 19 | 13 | 25 | 33 | 23 | 33 | 34 | 25 | 22 | 52 | 36 | 33 | 29 | ~ | 25.58 | 51.77 | 30.00
| 5 | 20 | 23 | 25 | 11 | 18 | 31 | 28 | 33 | 34 | 43 | 52 | 45 | 26 | 23 | 24 | 27 | 16 | 24 | 25 | 30 | 16 | 10 | 13 | 29 | 27 | 24 | 28 | 31 | 32 | 32 | 22 | 26.47 | 52.27 | 31.00
| 6 | 17 | 29 | 24 | 24 | 33 | 45 | 45 | 20 | 27 | 11 | 10 | 13 | 6.85 | 21 | 22 | 18 | 18 | 18 | 17 | 20 | 30 | 27 | 16 | 10 | 16 | 23 | 33 | 22 | 27 | 28 | ~ | 22.40 | 44.81 | 30.00
| 7 | 23 | 15 | 25 | 9 | 11 | 12 | 13 | 7.71 | 17 | 16 | 17 | 13 | 19 | 11 | 23 | 23 | 29 | 15 | 21 | 39 | 37 | 28 | 35 | 28 | 20 | 28 | 36 | 23 | 18 | 24 | 24 | 21.22 | 38.65 | 31.00
| 8 | 29 | 26 | 22 | 22 | 19 | 27 | 39 | 40 | 19 | 27 | 59 | 60 | 25 | 32 | 38 | 33 | 42 | 36 | 34 | 47 | 34 | 10 | 13 | 13 | 12 | 18 | 9 | 7.38 | 8.21 | 10 | 11 | 26.56 | 60.16 | 31.00
| 9 | 18 | 23 | 24 | 18 | 22 | 17 | 23 | 33 | 22 | 31 | 13 | 5.92 | 14 | 11 | 10 | 15 | 15 | 14 | 18 | 18 | 22 | 23 | 29 | 45 | 48 | 53 | 52 | 21 | 21 | 29 | ~ | 23.60 | 52.52 | 30.00
| 10 | 20 | 9 | 11 | 29 | 25 | 22 | 26 | 24 | 22 | 16 | 12 | 12 | 14 | 20 | 15 | 27 | 20 | 15 | 35 | 16 | 21 | 34 | 28 | 17 | 9 | 19 | 8.40 | 12 | 12 | 5.83 | 13 | 18.39 | 35.06 | 31.00
| 11 | ~ | 17 | 13 | 10 | 12 | 15 | 21 | 40 | 34 | 36 | ~ | 42 | 34 | 26 | 25 | ~ | 7.33 | 6.90 | 18 | 14 | 40 | 72 | 114 | 122 | 51 | 56 | 47 | 44 | 48 | 44 | ~ | 37.38 | 121.52 | 27.00
| 12 | 34 | 66 | 67 | 30 | 12 | 8.54 | 9.00 | ~ | 49 | 89 | 56 | 54 | 16 | 14 | 21 | 13 | 17 | 14 | 8.94 | 6.52 | 11 | 22 | 26 | 23 | 13 | 9 | 12 | 46 | 69 | ~ | ~ | 29.17 | 89.00 | 28.00
|
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. | 67 | 19 | 3 | 0 | 0 | 0 | 0 | 0 | 89
| 22 | 3 | 0 | 0 | 0 | 0 | 0 | 64
| REL. | 75.2 | 21.3 | 3.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 24.7 | 3.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 31.3
| ID | 75 | 21 | 3 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 53 | 36 | 2 | 0 | 0 | 0 | 0 | 0 | 91
| 38 | 2 | 0 | 0 | 0 | 0 | 0 | 52
| REL. | 58.2 | 39.5 | 2.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 41.8 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 11.5
| ID | 58 | 39 | 2 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 60 | 28 | 4 | 0 | 0 | 0 | 0 | 0 | 92
| 32 | 4 | 0 | 0 | 0 | 0 | 0 | 60
| REL. | 65.2 | 30.4 | 4.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 34.8 | 4.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 12.8
| ID | 65 | 30 | 4 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 53 | 22 | 8 | 1 | 2 | 0 | 0 | 0 | 86
| 33 | 11 | 3 | 2 | 0 | 0 | 0 | 122
| REL | 61.6 | 25.5 | 9.3 | 1.1 | 2.3 | 0.0 | 0.0 | 0.0 | 100.0
| 38.4 | 12.8 | 3.5 | 2.3 | 0.0 | 0.0 | 0.0 | 24.11
| ID | 61 | 25 | 9 | 2 | 11 | 0 | 0 | 0 | 110
|
Year
| ABS. | 233 | 105 | 17 | 1 | 2 | 0 | 0 | 0 | 358
| 125 | 20 | 3 | 2 | 0 | 0 | 0 | 122 | REL. | 65.0 | 29.3 | 4.7 | 0.2 | 0.5 | 0.0 | 0.0 | 0.0 | 100.0
| 34.9 | 5.6 | 0.8 | 0.6 | 0.0 | 0.0 | 0.0 | 24.11
| ID | 65 | 29 | 4 | | 2 | 0 | 0 | 0 | 102
|
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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