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 | 20 | 25 | 26 | 22 | 25 | ~ | 17 | 18 | ~ | 25 | 24 | 25 | 29 | 25 | 31 | 25 | 26 | 17 | 24 | 23 | 22 | 28 | 22 | 28 | 27 | 24 | 21 | 17 | 23 | 23 | 32 | 23.91 | 32.30 | 29.00
| 2 | 25 | 18 | 19 | 22 | 23 | 26 | 23 | ~ | 21 | 17 | 22 | 15 | 24 | 20 | 35 | 26 | 26 | 20 | 21 | 23 | 33 | 31 | 27 | 15 | 18 | 21 | 27 | 22 | ~ | ~ | ~ | 22.90 | 34.99 | 27.00
| 3 | 19 | 20 | 32 | 34 | 22 | ~ | ~ | 13 | 16 | 25 | 21 | 21 | 20 | 18 | 20 | 21 | 29 | 20 | 16 | 14 | 18 | 16 | 21 | 19 | 14 | 23 | 16 | 17 | 15 | 16 | 17 | 19.64 | 33.57 | 29.00
| 4 | ~ | 17 | 15 | 13 | 17 | 25 | 18 | ~ | 19 | 15 | 17 | 18 | ~ | 17 | 14 | 15 | 20 | 34 | 16 | 16 | 15 | 15 | 20 | 24 | 17 | 16 | 23 | 20 | ~ | ~ | ~ | 18.20 | 33.63 | 25.00
| 5 | 18 | 17 | 20 | 17 | 20 | 16 | 16 | 20 | 19 | 24 | 26 | 29 | 24 | 15 | 19 | 18 | 15 | 14 | 16 | 17 | 20 | 21 | 16 | 20 | 16 | ~ | 15 | 17 | 16 | 18 | 15 | 18.43 | 28.56 | 30.00
| 6 | 21 | 18 | 18 | 23 | 16 | 20 | 19 | 18 | 18 | 20 | 18 | 20 | 23 | 17 | 16 | 18 | 19 | ~ | ~ | ~ | ~ | ~ | 18 | ~ | ~ | 22 | ~ | 18 | 18 | 16 | ~ | 18.74 | 22.82 | 22.00
| 7 | 15 | 18 | ~ | 19 | 15 | 15 | ~ | ~ | ~ | 22 | 17 | ~ | 20 | 25 | ~ | 14 | 15 | 18 | 17 | 17 | 19 | 22 | 16 | 21 | ~ | 23 | 25 | ~ | ~ | 18 | 19 | 18.65 | 25.07 | 22.00
| 8 | 23 | ~ | 23 | 21 | 19 | 23 | 22 | 31 | 25 | 21 | 19 | 28 | ~ | 32 | 27 | 32 | 16 | 34 | 23 | 23 | 26 | 20 | ~ | ~ | 27 | 28 | 21 | ~ | 35 | 31 | 31 | 25.44 | 35.01 | 26.00
| 9 | 21 | 24 | 28 | 18 | 23 | 21 | 16 | 20 | 25 | 42 | 22 | ~ | 18 | ~ | 25 | 23 | ~ | ~ | 18 | ~ | ~ | 22 | 20 | 22 | 28 | 23 | 19 | 18 | 18 | ~ | ~ | 22.27 | 41.50 | 23.00
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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. | 63 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 85
| 22 | 0 | 0 | 0 | 0 | 0 | 0 | 35
| REL. | 74.1 | 25.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 25.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 15.2
| ID | 74 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 73 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 77
| 4 | 0 | 0 | 0 | 0 | 0 | 0 | 34
| REL. | 94.8 | 5.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 5.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 18.4
| ID | 94 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 53 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 71
| 18 | 0 | 0 | 0 | 0 | 0 | 0 | 42
| REL. | 74.6 | 25.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 25.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 10.9
| ID | 74 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
|
Year
| ABS. | 189 | 44 | 0 | 0 | 0 | 0 | 0 | 0 | 2331
| 44 | 0 | 0 | 0 | 0 | 0 | 0 | 42 | REL. | 81.1 | 18.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 18.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 10.9
| ID | 81 | 18 | 0 | 0 | 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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