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 | 68 | 75 | 37 | 59 | 32 | 68 | 60 | 54 | 42 | 83 | 58 | 50 | 85 | 128 | 173 | 194 | 165 | 154 | 101 | 97 | 96 | 38 | 55 | 68 | 55 | 30 | 59 | 32 | 27 | 15 | 21 | 73.48 | 193.92 | 31.00
| 2 | 27 | 50 | 66 | 39 | 13 | 7.59 | 18 | 14 | 12 | 8.02 | 7.57 | 8.91 | 14 | 22 | 22 | 18 | 41 | 46 | 17 | 19 | 18 | 21 | 48 | 44 | 15 | 15 | 31 | 29 | ~ | ~ | ~ | 24.52 | 65.97 | 28.00
| 3 | 31 | 23 | 23 | 32 | 54 | 45 | 49 | 37 | 46 | 53 | 62 | 73 | 36 | 31 | 22 | 19 | 28 | 26 | 23 | 22 | 27 | 20 | 12 | 25 | 52 | 34 | 20 | 21 | 15 | 16 | 22 | 32.16 | 72.92 | 31.00
| 4 | 31 | 41 | 29 | 19 | 20 | 14 | 24 | 45 | 57 | 31 | 26 | 16 | 18 | 19 | 17 | 14 | 30 | 24 | 16 | 24 | 33 | 30 | 36 | 31 | 30 | 27 | 28 | 21 | 21 | 31 | ~ | 26.71 | 56.71 | 30.00
| 5 | 22 | 24 | 31 | 25 | 25 | 15 | 21 | 25 | 12 | 16 | 21 | 23 | 33 | 29 | 30 | 25 | 18 | 15 | 20 | 16 | 17 | 24 | 19 | 15 | 20 | 19 | 20 | 17 | 23 | 13 | 11 | 20.80 | 33.25 | 31.00
| 6 | 22 | 25 | 19 | 30 | 19 | 18 | 18 | 14 | 20 | 26 | 29 | 24 | 19 | 14 | 18 | 23 | 22 | 18 | 22 | 15 | 8.71 | 8.04 | 12 | 15 | 22 | 17 | 26 | 24 | 16 | 17 | ~ | 19.32 | 29.84 | 30.00
| 7 | 17 | 16 | 22 | 17 | 12 | 21 | 15 | 21 | 16 | 29 | 23 | 15 | 19 | 24 | 23 | 26 | 26 | 13 | 9 | 11 | 16 | 23 | 17 | 21 | 16 | 12 | 13 | 22 | 26 | 28 | 24 | 19.13 | 29.34 | 31.00
| 8 | 17 | 16 | 26 | 27 | 21 | 23 | 27 | 24 | 21 | 23 | 26 | 26 | 25 | 18 | 20 | 21 | 28 | 51 | 30 | 30 | 29 | 24 | 25 | 23 | 27 | 27 | 40 | 20 | 14 | 14 | 26 | 24.82 | 51.42 | 31.00
| 9 | 26 | 24 | 44 | 32 | 20 | 18 | 13 | 13 | 12 | 15 | 34 | 21 | 13 | 19 | 32 | 38 | 33 | 27 | 19 | 20 | 27 | 43 | 33 | 32 | 42 | 32 | 26 | 37 | 32 | 26 | ~ | 26.80 | 43.69 | 30.00
| 10 | 21 | 11 | 13 | 14 | 29 | 50 | 45 | 25 | 15 | 13 | 12 | 12 | 20 | 27 | 24 | 36 | 61 | 45 | 52 | 42 | 49 | 48 | 42 | 21 | 13 | 13 | 23 | 37 | 62 | 58 | 34 | 31.24 | 62.02 | 31.00
| 11 | 35 | 37 | 26 | 39 | 56 | 76 | 61 | 56 | 36 | 54 | 54 | 40 | 27 | 36 | 39 | 28 | 31 | 24 | 33 | 65 | 91 | 64 | 62 | 48 | 43 | 75 | 61 | 70 | 74 | 45 | ~ | 49.57 | 91.16 | 30.00
| 12 | 34 | 43 | 34 | 23 | 29 | 31 | 36 | 55 | 62 | 24 | 23 | 19 | 18 | 18 | 27 | 34 | 19 | 24 | 42 | 40 | 53 | 65 | 59 | 21 | 10 | 8.42 | 14 | 18 | 18 | 34 | 48 | 31.75 | 65.18 | 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- 33 | 34- 67 | 68- 100 | 101- 150 | 151- 200 | 201- 300 | 301- 400 | over 400 | 33 | 67 | 100 | 150 | 200 | 300 | 400
| |
|
|
ABS. | 47 | 28 | 9 | 2 | 4 | 0 | 0 | 0 | 90
| 43 | 15 | 6 | 4 | 0 | 0 | 0 | 194
| REL. | 52.2 | 31.1 | 10.0 | 2.2 | 4.4 | 0.0 | 0.0 | 0.0 | 100.0
| 47.8 | 16.7 | 6.7 | 4.4 | 0.0 | 0.0 | 0.0 | 16.1
| ID | 52 | 31 | 10 | 4 | 22 | 0 | 0 | 0 | 120
| |
|
|
ABS. | 87 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 91
| 4 | 0 | 0 | 0 | 0 | 0 | 0 | 57
| REL. | 95.6 | 4.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 4.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 9.4
| ID | 95 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 83 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 92
| 9 | 0 | 0 | 0 | 0 | 0 | 0 | 51
| REL. | 90.2 | 9.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 9.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 18.8
| ID | 90 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 40 | 47 | 5 | 0 | 0 | 0 | 0 | 0 | 92
| 52 | 5 | 0 | 0 | 0 | 0 | 0 | 91
| REL | 43.4 | 51.0 | 5.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 56.5 | 5.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 21.11
| ID | 43 | 51 | 5 | 0 | 0 | 0 | 0 | 0 | 100
|
Year
| ABS. | 257 | 88 | 14 | 2 | 4 | 0 | 0 | 0 | 365
| 108 | 20 | 6 | 4 | 0 | 0 | 0 | 194 | REL. | 70.4 | 24.1 | 3.8 | 0.5 | 1.0 | 0.0 | 0.0 | 0.0 | 100.0
| 29.6 | 5.5 | 1.6 | 1.1 | 0.0 | 0.0 | 0.0 | 16.1
| ID | 70 | 24 | 3 | 1 | 5 | 0 | 0 | 0 | 104
|
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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