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 | 45 | 22 | 18 | 9 | 10 | 11 | 16 | 9 | 10 | 20 | 28 | 16 | 16 | 17 | 24 | 21 | 11 | 23 | 12 | 9 | 7.88 | 16 | 28 | 37 | 40 | 41 | 65 | 27 | 15 | 15 | 16 | 21.11 | 64.80 | 31.00
| 2 | 24 | 48 | 17 | 32 | 76 | 23 | 40 | 19 | 39 | 48 | 48 | 17 | 18 | 19 | 13 | 20 | 9 | 16 | 46 | 58 | 76 | 53 | 20 | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | 33.93 | 75.97 | 23.00
| 3 | ~ | ~ | 18 | 28 | 8.45 | 11 | 10 | 12 | 13 | 13 | 27 | 29 | 11 | 9 | 9 | 7.37 | 9 | 14 | 11 | 10 | 10 | 13 | 20 | 20 | 28 | 44 | 43 | 29 | 33 | 46 | 69 | 20.85 | 69.15 | 29.00
| 4 | 48 | 18 | 15 | 16 | 12 | 19 | 15 | 13 | 23 | 21 | 12 | 16 | 16 | 22 | 26 | 23 | 24 | 22 | 17 | 26 | 19 | 24 | 32 | 23 | 25 | 32 | 43 | 35 | 38 | 33 | ~ | 23.59 | 47.65 | 30.00
| 5 | 40 | 35 | 25 | 19 | 21 | 36 | 20 | 33 | 38 | 53 | 67 | 62 | 46 | 38 | 22 | 46 | 20 | 21 | 30 | 17 | 14 | 17 | 14 | 13 | 24 | 21 | 21 | 28 | 35 | 17 | 19 | 29.40 | 67.31 | 31.00
| 6 | 8.73 | 25 | 14 | 19 | 23 | 31 | 17 | 15 | 28 | 22 | 12 | 10 | 10 | 20 | 15 | 17 | 12 | 13 | 15 | 20 | 26 | 21 | 20 | 12 | 22 | 24 | 24 | 13 | 13 | 18 | ~ | 18.00 | 31.33 | 30.00
| 7 | 13 | 16 | 18 | 10 | 7.96 | 13 | 8.15 | 5.43 | 12 | 8.83 | 10 | 8.42 | 17 | 11 | 11 | 13 | 16 | 12 | 14 | 20 | 19 | 23 | 23 | 16 | 16 | 22 | 26 | 25 | 12 | 13 | 14 | 14.65 | 25.65 | 31.00
| 8 | 24 | 19 | 12 | 19 | 15 | 17 | 20 | 22 | 8.73 | 13 | 36 | 33 | 16 | 20 | 24 | 24 | 28 | ~ | 22 | 28 | 19 | 12 | 7.74 | 10 | 11 | 15 | 8.03 | 6.35 | 9 | 11 | 12 | 17.42 | 36.02 | 30.00
| 9 | 13 | 20 | 26 | 19 | 18 | 7.50 | 18 | 18 | 26 | 19 | 12 | 8.75 | 8.33 | 7.80 | 5.62 | 10 | 6.83 | 12 | 10 | 14 | 10 | 18 | 30 | 57 | 44 | 29 | 24 | 15 | 11 | 28 | ~ | 18.25 | 57.35 | 30.00
| 10 | 12 | 7.55 | 15 | 23 | 23 | 17 | 16 | 10 | 9 | ~ | ~ | 7.91 | 11 | 23 | 14 | 31 | 21 | 8.18 | 20 | 13 | 23 | 23 | 24 | 11 | 8.73 | 11 | 10 | 7.06 | 6.93 | 7.68 | 10 | 14.60 | 30.58 | 29.00
| 11 | 5.18 | 11 | 16 | 10 | 14 | 12 | 17 | 44 | 20 | 14 | 9 | 20 | 11 | 13 | 18 | 14 | 13 | 11 | 15 | 15 | 25 | 40 | 17 | 47 | 13 | 19 | 22 | 32 | 23 | 26 | ~ | 18.91 | 46.85 | 30.00
| 12 | 27 | 42 | 14 | 14 | 12 | 19 | 12 | 11 | 32 | 61 | 41 | 52 | 12 | 10 | 12 | 13 | 21 | 39 | 14 | 7.51 | 7.84 | 15 | 31 | 37 | 22 | 15 | 13 | 65 | 51 | 44 | 40 | 26.10 | 65.37 | 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. | 54 | 23 | 4 | 2 | 0 | 0 | 0 | 0 | 83
| 29 | 6 | 2 | 0 | 0 | 0 | 0 | 76
| REL. | 65.0 | 27.7 | 4.8 | 2.4 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 34.9 | 7.2 | 2.4 | 0.0 | 0.0 | 0.0 | 0.0 | 5.2
| ID | 65 | 27 | 4 | 4 | 0 | 0 | 0 | 0 | 102
| |
|
|
ABS. | 63 | 25 | 3 | 0 | 0 | 0 | 0 | 0 | 91
| 28 | 3 | 0 | 0 | 0 | 0 | 0 | 67
| REL. | 69.2 | 27.4 | 3.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 30.8 | 3.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 11.5
| ID | 69 | 27 | 3 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 78 | 12 | 1 | 0 | 0 | 0 | 0 | 0 | 91
| 13 | 1 | 0 | 0 | 0 | 0 | 0 | 57
| REL. | 85.7 | 13.1 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 14.3 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 24.9
| ID | 85 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 71 | 15 | 4 | 0 | 0 | 0 | 0 | 0 | 90
| 19 | 4 | 0 | 0 | 0 | 0 | 0 | 65
| REL | 78.8 | 16.6 | 4.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 21.1 | 4.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 28.12
| ID | 78 | 16 | 4 | 0 | 0 | 0 | 0 | 0 | 100
|
Year
| ABS. | 266 | 75 | 12 | 2 | 0 | 0 | 0 | 0 | 355
| 89 | 14 | 2 | 0 | 0 | 0 | 0 | 76 | REL. | 74.9 | 21.1 | 3.3 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 25.1 | 3.9 | 0.6 | 0.0 | 0.0 | 0.0 | 0.0 | 5.2
| ID | 74 | 21 | 3 | 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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