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 | 47 | 27 | 20 | 9 | 6.93 | ~ | ~ | 11 | 16 | 18 | 25 | 18 | 39 | 44 | 31 | 21 | 13 | 20 | 10 | 12 | 13 | 24 | 45 | 52 | 76 | 81 | 65 | 47 | 36 | 28 | 10 | 29.84 | 81.35 | 29.00
| 2 | 58 | 51 | 26 | 27 | 39 | 30 | 44 | 30 | 23 | 43 | 48 | 41 | 36 | 31 | 22 | 23 | 14 | 19 | 44 | 46 | 70 | 143 | 30 | 14 | 8.13 | 17 | 24 | 18 | ~ | ~ | ~ | 36.50 | 142.65 | 28.00
| 3 | 16 | 15 | 20 | 43 | 11 | 7.48 | 13 | 7.92 | 9 | 15 | 41 | 36 | 16 | 12 | 17 | 8.98 | 17 | 21 | 15 | 15 | 12 | 21 | 44 | 30 | 46 | 65 | 50 | 41 | 52 | 67 | 100 | 28.55 | 99.59 | 31.00
| 4 | 46 | 19 | 17 | 12 | 8.71 | 14 | 18 | 17 | 16 | 36 | 15 | 21 | 18 | 25 | 27 | 26 | 32 | 40 | 23 | 27 | 15 | 32 | 41 | 22 | 14 | 19 | 50 | ~ | 49 | 49 | ~ | 25.80 | 49.66 | 29.00
| 5 | 42 | 23 | 27 | 18 | 32 | 24 | 25 | 70 | 50 | 63 | 71 | 71 | 55 | 31 | 18 | 26 | 22 | 29 | 32 | 30 | 14 | 11 | 11 | 14 | 13 | 15 | 16 | 25 | 26 | 17 | 16 | 30.14 | 71.08 | 31.00
| 6 | 8.23 | 16 | 10 | 14 | 35 | 31 | 30 | 12 | 15 | 10 | 12 | 11 | 9 | 21 | 9 | 13 | 15 | 14 | 16 | 15 | 21 | 30 | 21 | 11 | 31 | 33 | 23 | 14 | 12 | 18 | ~ | 17.66 | 34.69 | 30.00
| 7 | 11 | 24 | 26 | 15 | 17 | 12 | 10 | 7.04 | 22 | 12 | 11 | 10 | 12 | 14 | 15 | 16 | 14 | 14 | 17 | 23 | 31 | 32 | 31 | 21 | 50 | 32 | 26 | 22 | 12 | 10 | 15 | 18.84 | 49.74 | 31.00
| 8 | 24 | 20 | 18 | 20 | 18 | 21 | 25 | 26 | 18 | 21 | 38 | 33 | 22 | 20 | 27 | 34 | 31 | 30 | 35 | 36 | 16 | 15 | 10 | 9 | 14 | 19 | 8.65 | 10 | 9 | 11 | 16 | 21.21 | 38.03 | 31.00
| 9 | 17 | 24 | 29 | 24 | 22 | 14 | 16 | 15 | 12 | 16 | 11 | 8.98 | 9 | 6.76 | 7.74 | 12 | 7.39 | 10 | 19 | 24 | 16 | 26 | 38 | 52 | 42 | 27 | 19 | 13 | 16 | 28 | ~ | 19.42 | 51.88 | 30.00
| 10 | 14 | 11 | 20 | 23 | 24 | 17 | 15 | 11 | 14 | 11 | 6.44 | 7.65 | 12 | 8.11 | 12 | 17 | 19 | 9 | 21 | 13 | 15 | 19 | 28 | 8.26 | 8.19 | 12 | 7.24 | 5.56 | 8.23 | 7.59 | 8.67 | 13.34 | 28.03 | 31.00
| 11 | 8.62 | 20 | 14 | 8.53 | 13 | 12 | 14 | 42 | 36 | 15 | 10 | 19 | 31 | 24 | 18 | 21 | 13 | 19 | 24 | 15 | 38 | 78 | 58 | 44 | 55 | 45 | 60 | 51 | 29 | 43 | ~ | 29.27 | 78.00 | 30.00
| 12 | 43 | 84 | 40 | 23 | 15 | 13 | 13 | 12 | 18 | 68 | 49 | 112 | 9 | 6.58 | 16 | 19 | 16 | 27 | 10 | 4.09 | 9 | 16 | 25 | 29 | 13 | 8.42 | 11 | 60 | 69 | 39 | 39 | 29.64 | 111.92 | 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. | 45 | 30 | 9 | 3 | 1 | 0 | 0 | 0 | 88
| 43 | 13 | 4 | 1 | 0 | 0 | 0 | 143
| REL. | 51.1 | 34.0 | 10.2 | 3.4 | 1.1 | 0.0 | 0.0 | 0.0 | 100.0
| 48.9 | 14.8 | 4.5 | 1.1 | 0.0 | 0.0 | 0.0 | 22.2
| ID | 51 | 34 | 10 | 6 | 5 | 0 | 0 | 0 | 107
| |
|
|
ABS. | 56 | 28 | 6 | 0 | 0 | 0 | 0 | 0 | 90
| 34 | 6 | 0 | 0 | 0 | 0 | 0 | 71
| REL. | 62.2 | 31.1 | 6.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 37.8 | 6.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 12.5
| ID | 62 | 31 | 6 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 68 | 23 | 1 | 0 | 0 | 0 | 0 | 0 | 92
| 24 | 1 | 0 | 0 | 0 | 0 | 0 | 52
| REL. | 73.9 | 25.0 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 26.1 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 24.9
| ID | 73 | 25 | 1 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 65 | 17 | 7 | 3 | 0 | 0 | 0 | 0 | 92
| 27 | 10 | 3 | 0 | 0 | 0 | 0 | 112
| REL | 70.6 | 18.4 | 7.6 | 3.2 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 29.3 | 10.9 | 3.3 | 0.0 | 0.0 | 0.0 | 0.0 | 12.12
| ID | 70 | 18 | 7 | 6 | 0 | 0 | 0 | 0 | 103
|
Year
| ABS. | 234 | 98 | 23 | 6 | 1 | 0 | 0 | 0 | 362
| 128 | 30 | 7 | 1 | 0 | 0 | 0 | 143 | REL. | 64.6 | 27.0 | 6.3 | 1.6 | 0.2 | 0.0 | 0.0 | 0.0 | 100.0
| 35.4 | 8.3 | 1.9 | 0.3 | 0.0 | 0.0 | 0.0 | 22.2
| ID | 64 | 27 | 6 | 3 | 1 | 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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