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 | 17 | 26 | 32 | 17 | 12 | 26 | 20 | 21 | 24 | 28 | 20 | 15 | 31 | 44 | 34 | 24 | 27 | 28 | 33 | 35 | 19 | 31 | 21 | 19 | 18 | 19 | 13 | 25 | 29 | 20 | 15 | 24.04 | 44.00 | 31.00
| 2 | 21 | 20 | 25 | 49 | 11 | 13 | ~ | ~ | ~ | 40 | 20 | 32 | 20 | 23 | 40 | 80 | 42 | 17 | 14 | 12 | 13 | 14 | 22 | 21 | 26 | 39 | 30 | 21 | ~ | ~ | ~ | 26.59 | 80.48 | 25.00
| 3 | 31 | 23 | 53 | 22 | 25 | 20 | 19 | 7.65 | 38 | 33 | 18 | 15 | 15 | 21 | 28 | 26 | 36 | 22 | 6.35 | 13 | 26 | 24 | 20 | 17 | 13 | 25 | 27 | 23 | 30 | 37 | 30 | 24.00 | 52.81 | 31.00
| 4 | 34 | 32 | 37 | 31 | 16 | 16 | 21 | 5.21 | 19 | 32 | 22 | 19 | 11 | 26 | 14 | 15 | 17 | 25 | 9 | 15 | 12 | 8.90 | 17 | 44 | 26 | 19 | 26 | 14 | 27 | 71 | ~ | 22.69 | 70.92 | 30.00
| 5 | 25 | 28 | 27 | 22 | 17 | 8.60 | 19 | 20 | 29 | 17 | 17 | 15 | 17 | 30 | 16 | 23 | 11 | 6.31 | 9 | 17 | 12 | 18 | 18 | 21 | 28 | 27 | 29 | 12 | 21 | 10 | 16 | 18.88 | 30.48 | 31.00
| 6 | 11 | 14 | 11 | 10 | 15 | 18 | 19 | 15 | 21 | 14 | 12 | 18 | 20 | 30 | 29 | 14 | 11 | 11 | 14 | 15 | 19 | 10 | 11 | 8.85 | 13 | 22 | 26 | 17 | 12 | 29 | ~ | 16.37 | 29.60 | 30.00
| 7 | 11 | 11 | 13 | 12 | 25 | 23 | 17 | 19 | 8.02 | 17 | 12 | 12 | 4.42 | 10 | 13 | 16 | 10 | 8.52 | 10 | 11 | 14 | 19 | 20 | 14 | 16 | 16 | 22 | 24 | 10 | 12 | 28 | 14.79 | 27.50 | 31.00
| 8 | 7.85 | 19 | 26 | 11 | 8.50 | 13 | 17 | 13 | 14 | 15 | 9 | 13 | 10 | 24 | 23 | 25 | 15 | 27 | 20 | 18 | 7.73 | 11 | 24 | 23 | 22 | 24 | 42 | 31 | 16 | 24 | 34 | 18.87 | 42.25 | 31.00
| 9 | 17 | 14 | 15 | 11 | 14 | 11 | 12 | 8.96 | 7.52 | 12 | 35 | 17 | 9 | 14 | 12 | 11 | 13 | 11 | 14 | 11 | 18 | 15 | 18 | 17 | 14 | 26 | 16 | 18 | 25 | 26 | ~ | 15.47 | 35.25 | 30.00
| 10 | 19 | 15 | 20 | 10 | 30 | 27 | 27 | 26 | 16 | 28 | 11 | 28 | 26 | 30 | 30 | 30 | 23 | 34 | 35 | 22 | 24 | 14 | 13 | 20 | 27 | 26 | 52 | 29 | 14 | 15 | 17 | 23.88 | 52.38 | 31.00
| 11 | 15 | 14 | 29 | 30 | 23 | 20 | 13 | 11 | 14 | 26 | 25 | 34 | 23 | 32 | 30 | 18 | 20 | 29 | 19 | 23 | 22 | 13 | 15 | 20 | 21 | 32 | 34 | 36 | 24 | 26 | ~ | 22.82 | 36.27 | 30.00
| 12 | 30 | 26 | 33 | 19 | 23 | 28 | 27 | 25 | 39 | 34 | 13 | 16 | 32 | 38 | 27 | 12 | 13 | 9 | 13 | 25 | 22 | 24 | 26 | 20 | 11 | 23 | 20 | 8.85 | 16 | 16 | 17 | 22.09 | 38.77 | 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- 23 | 24- 47 | 48- 70 | 71- 105 | 106- 140 | 141- 210 | 211- 280 | over 280 | 23 | 47 | 70 | 105 | 140 | 210 | 280
| |
|
|
ABS. | 46 | 38 | 2 | 1 | 0 | 0 | 0 | 0 | 87
| 41 | 3 | 1 | 0 | 0 | 0 | 0 | 80
| REL. | 52.8 | 43.6 | 2.2 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 47.1 | 3.4 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 16.2
| ID | 52 | 43 | 2 | 2 | 0 | 0 | 0 | 0 | 101
| |
|
|
ABS. | 67 | 23 | 0 | 1 | 0 | 0 | 0 | 0 | 91
| 24 | 1 | 1 | 0 | 0 | 0 | 0 | 71
| REL. | 73.6 | 25.2 | 0.0 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 26.4 | 1.1 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 30.4
| ID | 73 | 25 | 0 | 2 | 0 | 0 | 0 | 0 | 101
| |
|
|
ABS. | 75 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 92
| 17 | 0 | 0 | 0 | 0 | 0 | 0 | 42
| REL. | 81.5 | 18.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 18.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 27.8
| ID | 81 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 48 | 43 | 1 | 0 | 0 | 0 | 0 | 0 | 92
| 44 | 1 | 0 | 0 | 0 | 0 | 0 | 52
| REL | 52.1 | 46.7 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 47.8 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 27.10
| ID | 52 | 46 | 1 | 0 | 0 | 0 | 0 | 0 | 100
|
Year
| ABS. | 236 | 121 | 3 | 2 | 0 | 0 | 0 | 0 | 362
| 126 | 5 | 2 | 0 | 0 | 0 | 0 | 80 | REL. | 65.1 | 33.4 | 0.8 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 34.8 | 1.4 | 0.6 | 0.0 | 0.0 | 0.0 | 0.0 | 16.2
| ID | 65 | 33 | | 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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