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 | 13 | 12 | 31 | 76 | 79 | 37 | 39 | 28 | 23 | 34 | 35 | 27 | 19 | 49 | 27 | 29 | 18 | 20 | 12 | 7.83 | 9 | 16 | 25 | 10 | 12 | 6.47 | 5.10 | 10 | 12 | 36 | 25 | 25.35 | 79.06 | 31.00
| 2 | 22 | 48 | 58 | 34 | 57 | 22 | 16 | 6.67 | 7.64 | 5.76 | 7.62 | 6.43 | 15 | 20 | 31 | 29 | 58 | 24 | 11 | 4.10 | 16 | 7.63 | 9 | 7.21 | 7.51 | 4.93 | 11 | 7.95 | ~ | ~ | ~ | 19.75 | 58.49 | 28.00
| 3 | 25 | 15 | 15 | 28 | 56 | 24 | 15 | 43 | 24 | 18 | 42 | 54 | 50 | 22 | 37 | 48 | 46 | 37 | 10 | 8.90 | 11 | 12 | 12 | 10 | 20 | 26 | 37 | 38 | 42 | 30 | 35 | 28.67 | 55.64 | 31.00
| 4 | 35 | 43 | 39 | 41 | 36 | 24 | 21 | 47 | 42 | 38 | 23 | 35 | 26 | 13 | 21 | 25 | 19 | 25 | 19 | 22 | 20 | 48 | 26 | 16 | 11 | 18 | 8.78 | 14 | 12 | 39 | ~ | 26.91 | 47.52 | 30.00
| 5 | 19 | 29 | 29 | 17 | 11 | 29 | 23 | 28 | 43 | 29 | 17 | 14 | 21 | 17 | 16 | 23 | 27 | 40 | 15 | 23 | 23 | 44 | 23 | 15 | 9 | 20 | 21 | 12 | 11 | 22 | 17 | 22.17 | 43.78 | 31.00
| 6 | 23 | 16 | 32 | 20 | 42 | 24 | 15 | 16 | 20 | 10 | 15 | 14 | 19 | 16 | 28 | 19 | 24 | 25 | 45 | 30 | 31 | 22 | 27 | 20 | 27 | 20 | 35 | 18 | 16 | 14 | ~ | 22.81 | 44.54 | 30.00
| 7 | 28 | 11 | 19 | 12 | 19 | 14 | 16 | 18 | 29 | 20 | 16 | 17 | 25 | 14 | 29 | 19 | 20 | 10 | 28 | 19 | 21 | 13 | 21 | 12 | 20 | 16 | 20 | 25 | 34 | 34 | 34 | 20.50 | 34.35 | 31.00
| 8 | 18 | 15 | 18 | 19 | 12 | 23 | 12 | 24 | 24 | 29 | 18 | 25 | 10 | 16 | 20 | 34 | 32 | 39 | 29 | 39 | 21 | 20 | 29 | 38 | 26 | 41 | 29 | 22 | 36 | 45 | 26 | 25.51 | 45.48 | 31.00
| 9 | 14 | 22 | 29 | 28 | 21 | 18 | 29 | 22 | 47 | 16 | 29 | 23 | 42 | 12 | 15 | 13 | 26 | 18 | 34 | 31 | 21 | 10 | 21 | 14 | 16 | 8.18 | 23 | 26 | 32 | 42 | ~ | 23.42 | 47.13 | 30.00
| 10 | 54 | 57 | 39 | 23 | 12 | 18 | 14 | 26 | 22 | 51 | 28 | 36 | 30 | 24 | 24 | 32 | 9 | 18 | 13 | 36 | 41 | 26 | 13 | 33 | 16 | 36 | 13 | 21 | 29 | 41 | 39 | 28.18 | 57.06 | 31.00
| 11 | 35 | 14 | 20 | 23 | 37 | 31 | 39 | 14 | 12 | 21 | 22 | 38 | 102 | 48 | 59 | 53 | 28 | 41 | 13 | 32 | 29 | 31 | 36 | 33 | 42 | 42 | 19 | 29 | 26 | 12 | ~ | 32.61 | 101.59 | 30.00
| 12 | 40 | 33 | 33 | 38 | 38 | 32 | 39 | 37 | 41 | 46 | 47 | 53 | 73 | 60 | 50 | 64 | 21 | 29 | 34 | 34 | 38 | 24 | 41 | 30 | 33 | 28 | 66 | 50 | 11 | ~ | ~ | 40.10 | 73.06 | 29.00
|
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. | 47 | 32 | 9 | 2 | 0 | 0 | 0 | 0 | 90
| 43 | 11 | 2 | 0 | 0 | 0 | 0 | 79
| REL. | 52.2 | 35.5 | 10.0 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 47.8 | 12.2 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 5.1
| ID | 52 | 35 | 10 | 4 | 0 | 0 | 0 | 0 | 102
| |
|
|
ABS. | 53 | 36 | 2 | 0 | 0 | 0 | 0 | 0 | 91
| 38 | 2 | 0 | 0 | 0 | 0 | 0 | 48
| 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 | 22.4
| ID | 58 | 39 | 2 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 53 | 38 | 1 | 0 | 0 | 0 | 0 | 0 | 92
| 39 | 1 | 0 | 0 | 0 | 0 | 0 | 47
| REL. | 57.6 | 41.3 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 42.4 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 9.9
| ID | 57 | 41 | 1 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 24 | 51 | 13 | 2 | 0 | 0 | 0 | 0 | 90
| 66 | 15 | 2 | 0 | 0 | 0 | 0 | 102
| REL | 26.6 | 56.6 | 14.4 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 73.3 | 16.7 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 13.11
| ID | 26 | 56 | 14 | 4 | 0 | 0 | 0 | 0 | 102
|
Year
| ABS. | 177 | 157 | 25 | 4 | 0 | 0 | 0 | 0 | 363
| 186 | 29 | 4 | 0 | 0 | 0 | 0 | 102 | REL. | 48.7 | 43.2 | 6.8 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 51.2 | 8.0 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 13.11
| ID | 48 | 43 | 6 | 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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