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 | ~ | ~ | 9 | 14 | 24 | 31 | 18 | 31 | 37 | 31 | 28 | 31 | 30 | 52 | 62 | 10 | 3.23 | 6.47 | 12 | 8.44 | 6.26 | 17 | 26 | 26 | 38 | 22 | 30 | 19 | 4.79 | 7.71 | 6.92 | 22.19 | 61.70 | 29.00
| 2 | 11 | 17 | 12 | 14 | 28 | 43 | 14 | 7.26 | 11 | 22 | 22 | 24 | 7.49 | 15 | 8.59 | 7.33 | 10 | 14 | 7.50 | 18 | 19 | 29 | 22 | 14 | 8.06 | 24 | 25 | 27 | 8.27 | ~ | ~ | 16.82 | 42.64 | 29.00
| 3 | 8.76 | 10 | 20 | 7.41 | 11 | 14 | 16 | 5.19 | 8.32 | 18 | 7.16 | 10 | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | 29 | 31 | 11 | 7.27 | 14 | 18 | 5.45 | 16 | 13.40 | 30.95 | 20.00
| 4 | 18 | 17 | 23 | 19 | 14 | 11 | 11 | 16 | 15 | 32 | 28 | 12 | 7.05 | 15 | 10 | 11 | 15 | 15 | 24 | 30 | 45 | 33 | 34 | 11 | 21 | 26 | 32 | 36 | 27 | 24 | ~ | 20.99 | 44.52 | 30.00
| 5 | 23 | 21 | 27 | 30 | 44 | 42 | 36 | 25 | 28 | 39 | 37 | 26 | 19 | 15 | 22 | 28 | 26 | 12 | 8.28 | 8.33 | 11 | 9 | 11 | 22 | 19 | 17 | 11 | 8.23 | 8.00 | 13 | 22 | 21.58 | 43.78 | 31.00
| 6 | 20 | 20 | 21 | ~ | 26 | 13 | 13 | 16 | 22 | 28 | 33 | 16 | 25 | 23 | 12 | 11 | 14 | 15 | 27 | ~ | ~ | ~ | 17 | 10 | 8.44 | 8.46 | 10 | 13 | 12 | 15 | ~ | 17.26 | 32.98 | 26.00
| 7 | 22 | 14 | 12 | 17 | 10 | 11 | 16 | 10 | 12 | 7.34 | 10 | 11 | 13 | 9 | 6.67 | 8.96 | 10 | 15 | 11 | 12 | 10 | 15 | 16 | 18 | 17 | 13 | 18 | 13 | 15 | 14 | 18 | 13.03 | 22.44 | 31.00
| 8 | 22 | 17 | 13 | 13 | 17 | 21 | 16 | 23 | 16 | 25 | 21 | 27 | 27 | ~ | ~ | 20 | 25 | 26 | ~ | ~ | 20 | 9 | 16 | 17 | 16 | 11 | 19 | 20 | 17 | 22 | 22 | 19.18 | 26.93 | 27.00
| 9 | 23 | 6.79 | 8.22 | 7.35 | 10 | 15 | 8.25 | 19 | 19 | 23 | 36 | 31 | 20 | 22 | 26 | 14 | 7.86 | 20 | 19 | 26 | 14 | 20 | 20 | 15 | 20 | 32 | 36 | 35 | 36 | 31 | ~ | 20.62 | 36.28 | 30.00
| 10 | 20 | 19 | 18 | 31 | 23 | 12 | 6.02 | 14 | 12 | 10 | 15 | 18 | 33 | 41 | 31 | 42 | 17 | 14 | 20 | 26 | 26 | 32 | 22 | 20 | 18 | 14 | 11 | 27 | 10 | 28 | 12 | 20.77 | 42.02 | 31.00
| 11 | 15 | 18 | 21 | 11 | 14 | 12 | 34 | 28 | 22 | 10 | 26 | 27 | 38 | 38 | 21 | 16 | 20 | 12 | 29 | 27 | 16 | 36 | 25 | 17 | 11 | 7.91 | 19 | 28 | 21 | 14 | ~ | 21.18 | 38.37 | 30.00
| 12 | 17 | 20 | 18 | 22 | 18 | 14 | 18 | 30 | 54 | 11 | 13 | 10 | 15 | 8.45 | 6.62 | 7.46 | 15 | 22 | 24 | 21 | 26 | 34 | 54 | 55 | 69 | 76 | 28 | 16 | 35 | 13 | ~ | 25.68 | 76.30 | 30.00
|
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. | 59 | 17 | 2 | 0 | 0 | 0 | 0 | 0 | 78
| 19 | 2 | 0 | 0 | 0 | 0 | 0 | 62
| REL. | 75.6 | 21.7 | 2.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 24.4 | 2.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 15.1
| ID | 75 | 21 | 2 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 61 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 87
| 26 | 0 | 0 | 0 | 0 | 0 | 0 | 45
| REL. | 70.1 | 29.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 29.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 21.4
| ID | 70 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 75 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 88
| 13 | 0 | 0 | 0 | 0 | 0 | 0 | 36
| REL. | 85.2 | 14.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 14.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 29.9
| ID | 85 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 60 | 26 | 4 | 1 | 0 | 0 | 0 | 0 | 91
| 31 | 5 | 1 | 0 | 0 | 0 | 0 | 76
| REL | 65.9 | 28.5 | 4.3 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 34.1 | 5.5 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 26.12
| ID | 65 | 28 | 4 | 2 | 0 | 0 | 0 | 0 | 101
|
Year
| ABS. | 255 | 82 | 6 | 1 | 0 | 0 | 0 | 0 | 344
| 89 | 7 | 1 | 0 | 0 | 0 | 0 | 76 | REL. | 74.1 | 23.8 | 1.7 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 25.9 | 2.0 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 26.12
| ID | 74 | 23 | 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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