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 | 38 | 36 | 51 | 77 | 63 | 53 | 32 | 23 | 32 | 24 | 27 | 36 | 22 | 23 | 42 | 50 | 58 | 32 | 31 | 33 | 40 | 41 | 48 | ~ | ~ | 41 | 33 | 24 | 62 | 55 | 40.09 | 77.03 | 29.00
| 2 | 78 | 35 | 18 | 12 | 8.48 | 8.10 | 20 | 25 | 47 | 68 | 41 | 28 | 19 | 25 | 59 | 24 | 10 | 15 | 50 | 51 | 33 | 18 | 11 | 13 | 24 | 54 | 70 | 59 | ~ | ~ | ~ | 33.01 | 78.22 | 28.00
| 3 | 25 | 27 | 28 | 40 | 34 | 31 | 39 | 46 | 39 | 35 | 18 | 48 | 76 | 68 | 30 | 34 | 41 | 65 | 47 | 12 | 29 | 17 | 19 | 37 | 60 | 58 | 39 | 26 | 25 | 48 | 74 | 39.13 | 76.01 | 31.00
| 4 | 77 | 58 | 55 | 26 | 52 | 35 | 41 | 32 | 29 | 41 | 23 | 34 | 19 | 27 | ~ | ~ | ~ | ~ | ~ | 49 | 38 | 26 | 30 | 33 | 21 | 30 | 15 | 19 | 25 | 95 | ~ | 37.29 | 94.95 | 25.00
| 5 | 31 | 20 | 29 | 21 | 27 | 25 | 25 | 27 | 19 | 21 | 16 | 12 | 17 | 15 | 13 | 16 | 19 | 30 | 35 | 39 | 29 | 20 | 25 | 45 | 44 | 50 | 45 | 52 | 39 | 40 | 47 | 28.76 | 51.76 | 31.00
| 6 | 32 | 55 | 32 | 16 | 37 | 31 | 18 | 16 | 27 | 36 | 22 | 13 | 11 | 27 | ~ | 16 | 24 | 5.47 | 17 | 15 | 14 | 19 | 20 | 24 | 21 | 35 | 29 | 19 | 29 | 26 | ~ | 23.62 | 54.72 | 29.00
| 7 | 33 | 32 | 32 | 27 | 38 | 13 | 11 | 13 | 15 | 25 | 18 | 15 | 17 | 15 | 14 | 29 | 34 | 21 | 34 | 39 | 16 | 22 | 12 | 18 | 15 | 15 | 14 | 17 | 23 | 19 | 17 | 21.32 | 39.24 | 31.00
| 8 | 19 | 25 | 29 | 42 | 44 | 32 | 17 | 11 | 14 | 8.91 | 12 | 13 | 14 | 20 | 15 | 19 | 13 | 20 | 24 | 40 | 21 | 8.91 | 16 | 23 | 37 | 58 | 33 | 16 | 12 | 13 | 15 | 22.05 | 58.49 | 31.00
| 9 | 8.65 | 10 | 21 | 29 | 19 | 17 | 17 | 16 | 19 | 30 | 34 | 21 | 32 | 36 | 46 | 49 | 35 | 14 | 28 | 22 | 11 | 19 | 14 | 12 | 14 | 12 | 12 | 14 | 8.98 | 9 | ~ | 20.95 | 48.79 | 30.00
| 10 | 10 | 11 | 11 | 39 | 26 | 21 | ~ | 23 | 10 | 8.36 | 15 | 29 | 27 | 18 | 26 | 18 | 14 | 28 | 41 | 35 | 27 | 23 | 17 | 16 | 22 | 18 | 23 | 34 | 36 | 35 | 29 | 23.02 | 40.83 | 30.00
| 11 | 36 | 24 | 26 | 36 | 45 | 35 | 25 | 26 | 18 | 28 | 32 | 25 | 25 | 17 | 29 | 27 | 36 | 28 | 24 | 36 | 22 | 26 | 29 | 47 | 53 | 55 | 49 | 63 | 47 | 50 | ~ | 33.93 | 63.27 | 30.00
| 12 | 39 | 20 | 20 | 42 | 17 | 23 | 12 | 38 | 43 | 47 | 28 | 8.31 | 13 | 22 | 15 | 23 | 22 | 17 | 29 | 14 | 26 | 42 | 41 | 28 | 34 | 17 | 32 | 22 | 24 | 21 | 42 | 26.48 | 47.15 | 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. | 24 | 44 | 17 | 3 | 0 | 0 | 0 | 0 | 88
| 64 | 20 | 3 | 0 | 0 | 0 | 0 | 78
| REL. | 27.2 | 50.0 | 19.3 | 3.4 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 72.7 | 22.7 | 3.4 | 0.0 | 0.0 | 0.0 | 0.0 | 1.2
| ID | 27 | 50 | 19 | 6 | 0 | 0 | 0 | 0 | 103
| |
|
|
ABS. | 36 | 42 | 5 | 2 | 0 | 0 | 0 | 0 | 85
| 49 | 7 | 2 | 0 | 0 | 0 | 0 | 95
| REL. | 42.3 | 49.4 | 5.8 | 2.3 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 57.6 | 8.2 | 2.4 | 0.0 | 0.0 | 0.0 | 0.0 | 30.4
| ID | 42 | 49 | 5 | 4 | 0 | 0 | 0 | 0 | 102
| |
|
|
ABS. | 65 | 26 | 1 | 0 | 0 | 0 | 0 | 0 | 92
| 27 | 1 | 0 | 0 | 0 | 0 | 0 | 58
| REL. | 70.6 | 28.2 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 29.3 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 26.8
| ID | 70 | 28 | 1 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 40 | 48 | 3 | 0 | 0 | 0 | 0 | 0 | 91
| 51 | 3 | 0 | 0 | 0 | 0 | 0 | 63
| REL | 43.9 | 52.7 | 3.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 56.0 | 3.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 28.11
| ID | 43 | 52 | 3 | 0 | 0 | 0 | 0 | 0 | 100
|
Year
| ABS. | 165 | 160 | 26 | 5 | 0 | 0 | 0 | 0 | 356
| 191 | 31 | 5 | 0 | 0 | 0 | 0 | 95 | REL. | 46.3 | 44.9 | 7.3 | 1.4 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 53.7 | 8.7 | 1.4 | 0.0 | 0.0 | 0.0 | 0.0 | 30.4
| ID | 46 | 44 | 7 | 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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