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 | 14 | 22 | 56 | 95 | 52 | 35 | 59 | 38 | 64 | 92 | 45 | 49 | 67 | 57 | 35 | 63 | 36 | 33 | 23 | 14 | 18 | 17 | 15 | 12 | 12 | 12 | 9 | 10 | 11 | 17 | 22 | 35.59 | 94.93 | 31.00
| 2 | 19 | 13 | 8.05 | 27 | 14 | 22 | 30 | 15 | 11 | 9 | 10 | 10 | 23 | 35 | 44 | 34 | 12 | 27 | 15 | 13 | 23 | 11 | 7.11 | 8.82 | 15 | 11 | 8.90 | 11 | ~ | ~ | ~ | 17.50 | 44.04 | 28.00
| 3 | 11 | 21 | 19 | 17 | 15 | 10 | 10 | 20 | 8.03 | 18 | 12 | 14 | 13 | 31 | 27 | 27 | 10 | 15 | 14 | 19 | 18 | 25 | 19 | 11 | 18 | 23 | 38 | 36 | 31 | 18 | ~ | 18.90 | 37.97 | 30.00
| 4 | 29 | 22 | ~ | ~ | 18 | 23 | ~ | ~ | ~ | 24 | 17 | 13 | 8.98 | 11 | 17 | 25 | 28 | 24 | 39 | 22 | 22 | 32 | 24 | 30 | 24 | 13 | 11 | 6.36 | 16 | 12 | ~ | 20.50 | 38.54 | 25.00
| 5 | 11 | 13 | 10 | 7.74 | 13 | 13 | 13 | 11 | 13 | 10 | 7.40 | 11 | 20 | 17 | 19 | 15 | 14 | 12 | 11 | 20 | 10 | 9 | 10 | 15 | 19 | 15 | 26 | 17 | 26 | 22 | 16 | 14.47 | 26.15 | 31.00
| 6 | 13 | 19 | 18 | 13 | 13 | 17 | 7.40 | 12 | 14 | 31 | 23 | 13 | 12 | 18 | 6.95 | 10 | 18 | 12 | 13 | 13 | 13 | 10 | 12 | 23 | 18 | 19 | 11 | 23 | 10 | 7.12 | ~ | 14.72 | 30.97 | 30.00
| 7 | 8.07 | 13 | 14 | 12 | 8.72 | 10 | 12 | 12 | 11 | 12 | 25 | 14 | 8.49 | 16 | 20 | 11 | 12 | 15 | 18 | 14 | 10 | 18 | 13 | 11 | 18 | 16 | 13 | 9 | 17 | 13 | 10 | 13.40 | 24.87 | 31.00
| 8 | 15 | 15 | 11 | 14 | 17 | 21 | 25 | 22 | 14 | 7.26 | 7.36 | 8.98 | 15 | 28 | 24 | 35 | 16 | 14 | 13 | 13 | 14 | 18 | 19 | 13 | 10 | 17 | 13 | 14 | 16 | 21 | 12 | 16.20 | 34.80 | 31.00
| 9 | 15 | 18 | 15 | 14 | 17 | 22 | 17 | 10 | 19 | 18 | 31 | 23 | 32 | 16 | 20 | 21 | 16 | 22 | 26 | 24 | 19 | 26 | 16 | 20 | 30 | 28 | 31 | 24 | 28 | 31 | ~ | 21.54 | 31.83 | 30.00
| 10 | 36 | 26 | 18 | 26 | 11 | 13 | 19 | 18 | 30 | 33 | 26 | 20 | 29 | 15 | 16 | 13 | 18 | 21 | 14 | 17 | 12 | 17 | 21 | 17 | 10 | 5.79 | 5.05 | 5.73 | 26 | 27 | 24 | 19.13 | 36.22 | 31.00
| 11 | 26 | 16 | 23 | 33 | 15 | 34 | 51 | 29 | 12 | 20 | 23 | 23 | 16 | 12 | 7.12 | 5.39 | 18 | 55 | 24 | 26 | 14 | 20 | 22 | 10 | 10 | 37 | 70 | 64 | 69 | 37 | ~ | 27.46 | 69.79 | 30.00
| 12 | 32 | 70 | 40 | 40 | 31 | 22 | 37 | 48 | 69 | 91 | 131 | 99 | 116 | 154 | 128 | 37 | 36 | 37 | 57 | 21 | 42 | 42 | 62 | 71 | 36 | 14 | 16 | 21 | 29 | 26 | 34 | 54.57 | 154.38 | 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. | 68 | 18 | 3 | 0 | 0 | 0 | 0 | 0 | 89
| 21 | 3 | 0 | 0 | 0 | 0 | 0 | 95
| REL. | 76.4 | 20.2 | 3.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 23.6 | 3.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 4.1
| ID | 76 | 20 | 3 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 85 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 86
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 39
| REL. | 98.8 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 1.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 19.4
| ID | 98 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 91 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 92
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 35
| REL. | 98.9 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 16.8
| ID | 98 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 60 | 21 | 7 | 3 | 1 | 0 | 0 | 0 | 92
| 32 | 11 | 4 | 1 | 0 | 0 | 0 | 154
| REL | 65.2 | 22.8 | 7.6 | 3.2 | 1.0 | 0.0 | 0.0 | 0.0 | 100.0
| 34.8 | 12.0 | 4.3 | 1.1 | 0.0 | 0.0 | 0.0 | 14.12
| ID | 65 | 22 | 7 | 6 | 5 | 0 | 0 | 0 | 107
|
Year
| ABS. | 304 | 41 | 10 | 3 | 1 | 0 | 0 | 0 | 359
| 55 | 14 | 4 | 1 | 0 | 0 | 0 | 154 | REL. | 84.6 | 11.4 | 2.7 | 0.8 | 0.2 | 0.0 | 0.0 | 0.0 | 100.0
| 15.3 | 3.9 | 1.1 | 0.3 | 0.0 | 0.0 | 0.0 | 14.12
| ID | 84 | 11 | 2 | 1 | 1 | 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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