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 | 15 | 8.80 | 8.49 | 8.13 | 15 | 19 | 9 | 17 | 15 | 14 | 22 | 24 | 42 | 35 | 25 | 13 | 13 | 20 | 15 | 16 | 18 | 17 | 19 | 23 | 56 | 38 | 41 | 28 | 34 | 11 | 21.31 | 56.06 | 31.00
| 2 | ~ | ~ | ~ | ~ | ~ | ~ | 30 | 20 | 46 | 38 | 40 | 21 | 22 | 23 | 17 | 21 | 14 | 30 | 35 | 27 | 21 | 24 | 18 | 23 | 12 | 19 | 22 | 9 | ~ | ~ | ~ | 24.23 | 46.29 | 22.00
| 3 | 8.89 | 15 | 20 | 13 | 11 | 18 | 8.25 | 8.79 | 13 | 19 | 19 | 21 | 15 | 8.38 | 12 | 13 | 13 | 16 | 10 | 12 | 11 | 17 | 19 | 15 | 17 | 17 | 25 | 25 | 18 | 16 | 25 | 15.45 | 25.33 | 31.00
| 4 | 22 | 19 | 15 | 14 | 13 | 13 | 16 | 17 | 22 | 18 | 13 | 11 | 11 | 23 | 16 | 22 | 25 | 14 | 13 | 24 | 20 | 23 | 22 | 16 | 15 | 14 | 14 | 18 | 18 | 18 | ~ | 17.36 | 25.20 | 30.00
| 5 | 13 | 11 | 12 | 11 | 14 | 20 | 21 | 14 | 14 | 17 | 20 | 17 | 16 | 15 | 13 | 12 | 12 | 15 | 14 | 12 | 10 | 9 | 10 | 13 | 18 | 19 | 21 | 17 | 16 | 14 | 14 | 14.68 | 20.75 | 31.00
| 6 | 11 | 13 | 18 | 15 | 17 | 13 | 12 | 15 | 16 | 12 | 15 | 12 | 8.10 | 16 | 12 | 11 | 10 | 13 | 14 | 12 | 13 | ~ | ~ | 15 | 15 | 16 | 13 | 11 | 11 | 12 | ~ | 13.26 | 18.45 | 28.00
| 7 | 12 | 14 | 13 | 8.68 | 8.73 | 11 | 13 | 9 | 14 | 12 | 10 | 12 | 11 | 10 | 12 | 12 | 14 | 11 | 13 | 12 | 12 | 16 | 12 | 14 | 12 | 15 | 13 | 13 | 16 | 12 | 13 | 12.20 | 16.45 | 31.00
| 8 | 13 | 12 | 18 | 17 | 14 | 13 | 15 | 12 | 13 | 16 | 22 | 15 | 15 | 16 | 13 | 18 | 20 | 18 | 15 | 15 | 17 | 9 | 9 | 12 | 12 | 18 | 11 | 12 | 8.48 | 11 | 15 | 14.32 | 21.91 | 31.00
| 9 | 19 | 22 | 17 | 14 | 11 | 12 | 16 | 15 | 13 | 11 | 14 | 11 | 12 | 14 | 14 | 16 | 16 | 14 | 13 | 12 | 18 | 20 | 27 | 29 | 22 | 17 | 30 | 22 | 22 | 20 | ~ | 17.04 | 30.32 | 30.00
| 10 | 18 | 19 | 17 | 17 | 25 | 23 | 34 | 38 | 37 | 16 | 14 | 11 | 16 | 23 | 17 | 18 | 15 | 16 | 31 | ~ | 25 | 31 | 21 | 13 | 8.80 | 12 | 13 | 9 | 11 | 8.24 | 5.85 | 18.81 | 37.91 | 30.00
| 11 | ~ | ~ | ~ | ~ | ~ | 14 | 20 | 17 | 24 | 43 | ~ | ~ | ~ | ~ | 19 | 14 | 12 | 14 | ~ | ~ | ~ | ~ | 70 | 76 | 43 | 52 | 58 | 40 | 40 | 30 | ~ | 34.33 | 75.82 | 17.00
| 12 | 25 | 52 | 22 | 32 | 12 | 8.60 | 16 | 20 | 53 | 57 | 39 | 56 | 15 | 23 | 30 | 17 | 36 | 47 | 20 | 11 | 12 | 28 | 27 | 20 | 15 | 12 | 14 | 17 | 28 | 13 | 11 | 25.42 | 57.19 | 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. | 74 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 84
| 10 | 0 | 0 | 0 | 0 | 0 | 0 | 56
| REL. | 88.0 | 11.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 11.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 26.1
| ID | 88 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 89 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 89
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25
| REL. | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 17.4
| ID | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 92 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 92
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30
| REL. | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 27.9
| ID | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 60 | 16 | 2 | 0 | 0 | 0 | 0 | 0 | 78
| 18 | 2 | 0 | 0 | 0 | 0 | 0 | 76
| REL | 76.9 | 20.5 | 2.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 23.1 | 2.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 24.11
| ID | 76 | 20 | 2 | 0 | 0 | 0 | 0 | 0 | 100
|
Year
| ABS. | 315 | 26 | 2 | 0 | 0 | 0 | 0 | 0 | 343
| 28 | 2 | 0 | 0 | 0 | 0 | 0 | 76 | REL. | 91.8 | 7.5 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 8.2 | 0.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 24.11
| ID | 91 | 7 | | 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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