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 | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~
| 2 | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | 6.00 | 6.00 | ~ | ~ | 6.00 | 6.00 | 2.00
| 3 | 22 | 17 | 6.00 | 6.00 | 6.00 | 20 | 32 | 31 | 23 | ~ | ~ | ~ | 19 | 22 | 19 | 23 | ~ | ~ | ~ | 11 | 28 | 27 | 44 | ~ | ~ | ~ | 32 | 25 | 19 | 35 | 31 | 22.64 | 44.00 | 22.00
| 4 | 14 | 14 | 32 | 70 | 24 | ~ | ~ | ~ | ~ | 26 | 19 | 35 | 27 | 16 | 16 | 16 | 47 | 36 | 39 | 38 | ~ | ~ | ~ | ~ | 15 | 14 | 24 | ~ | ~ | ~ | ~ | 27.47 | 70.00 | 19.00
| 5 | ~ | 14 | 23 | 17 | ~ | ~ | ~ | ~ | 26 | 35 | 26 | ~ | ~ | ~ | 24 | 21 | 29 | 17 | ~ | ~ | ~ | 13 | 10 | 6.00 | 8.00 | 5.00 | 5.00 | 5.00 | 10 | 14 | 24 | 16.60 | 35.00 | 20.00
| 6 | 23 | ~ | ~ | ~ | 8.00 | 8.00 | 11 | 19 | ~ | ~ | ~ | 29 | 37 | 10 | 10 | 7.00 | 7.00 | 7.00 | 14 | 23 | 20 | 25 | ~ | ~ | ~ | 8.00 | 14 | 15 | 12 | ~ | ~ | 15.35 | 37.00 | 20.00
| 7 | ~ | ~ | 49 | ~ | ~ | ~ | ~ | ~ | ~ | 24 | 13 | 13 | 20 | ~ | ~ | ~ | 11 | 22 | 20 | 12 | ~ | ~ | ~ | 19 | 26 | 20 | 15 | 30 | 30 | 30 | 21 | 22.06 | 49.00 | 17.00
| 8 | 25 | ~ | 11 | ~ | ~ | ~ | 13 | 11 | 15 | 12 | ~ | ~ | ~ | 12 | 8.00 | 28 | 37 | 5.00 | 5.00 | 5.00 | 59 | 20 | 15 | 12 | ~ | ~ | ~ | 4.00 | 4.00 | 10 | 25 | 16.00 | 59.00 | 21.00
| 9 | ~ | ~ | ~ | 10 | 13 | 18 | 17 | 5.00 | 5.00 | 5.00 | 14 | 45 | 36 | 19 | ~ | ~ | ~ | 17 | 14 | 14 | 21 | ~ | ~ | ~ | 14 | 16 | ~ | ~ | ~ | ~ | ~ | 16.65 | 45.00 | 17.00
| 10 | ~ | 18 | 21 | 26 | 25 | ~ | ~ | ~ | 14 | 13 | 14 | 8.00 | 4.00 | 4.00 | 4.00 | 15 | 16 | 13 | 14 | ~ | ~ | ~ | 27 | 36 | 23 | 20 | 16 | 16 | 16 | 25 | 19 | 16.96 | 36.00 | 24.00
| 11 | 18 | 12 | ~ | ~ | ~ | 13 | 18 | 12 | 15 | 12 | 12 | 12 | 29 | 25 | 19 | ~ | ~ | ~ | ~ | 20 | 23 | 42 | 29 | 21 | 21 | 21 | 22 | 95 | 54 | 35 | ~ | 25.22 | 95.00 | 23.00
| 12 | ~ | ~ | ~ | 40 | 33 | 26 | 22 | 25 | 25 | 25 | 40 | 55 | 51 | 39 | ~ | ~ | ~ | 32 | 104 | 26 | 22 | ~ | ~ | ~ | ~ | 30 | 33 | ~ | ~ | ~ | ~ | 36.94 | 104.00 | 17.00
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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- 33 | 34- 67 | 68- 100 | 101- 150 | 151- 200 | 201- 300 | 301- 400 | over 400 | 33 | 67 | 100 | 150 | 200 | 300 | 400
| |
|
|
ABS. | 22 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 242
| 2 | 0 | 0 | 0 | 0 | 0 | 0 | 44
| REL. | 91.6 | 8.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 8.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 23.3
| ID | 91 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 51 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 591
| 8 | 1 | 0 | 0 | 0 | 0 | 0 | 70
| REL. | 86.4 | 11.8 | 1.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 13.6 | 1.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 4.4
| ID | 86 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 50 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 551
| 5 | 0 | 0 | 0 | 0 | 0 | 0 | 59
| REL. | 90.9 | 9.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 9.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 21.8
| ID | 90 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 53 | 9 | 1 | 1 | 0 | 0 | 0 | 0 | 64
| 11 | 2 | 1 | 0 | 0 | 0 | 0 | 104
| REL | 82.8 | 14.0 | 1.5 | 1.5 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 17.2 | 3.1 | 1.6 | 0.0 | 0.0 | 0.0 | 0.0 | 19.12
| ID | 82 | 14 | 1 | 3 | 0 | 0 | 0 | 0 | 101
|
Year
| ABS. | 176 | 23 | 2 | 1 | 0 | 0 | 0 | 0 | 2021
| 26 | 3 | 1 | 0 | 0 | 0 | 0 | 104 | REL. | 87.1 | 11.3 | 0.9 | 0.4 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 12.9 | 1.5 | 0.5 | 0.0 | 0.0 | 0.0 | 0.0 | 19.12
| ID | 87 | 11 | | | 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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