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 | 30 | 33 | 48 | 42 | 45 | 22 | 27 | 42 | 35 | 51 | 47 | 61 | 44 | 54 | 58 | 53 | 21 | 39 | 27 | 32 | 29 | 27 | 30 | 37 | 40 | 46 | 19 | 40 | 67 | 52 | 33 | 39.62 | 67.28 | 31.00
| 2 | ~ | ~ | ~ | ~ | ~ | 44 | 54 | 34 | 38 | 35 | 34 | 48 | 27 | 37 | 57 | 56 | 32 | 19 | 28 | 25 | 32 | 23 | 27 | 26 | 30 | 38 | 29 | 32 | ~ | ~ | ~ | 34.99 | 56.54 | 23.00
| 3 | 38 | 30 | 28 | 15 | 29 | 26 | 40 | 36 | 30 | 13 | 10 | 14 | 16 | 17 | 34 | 40 | 27 | 13 | 16 | 27 | 41 | 39 | 37 | 27 | 16 | 23 | 23 | 23 | 22 | 37 | 29 | 26.36 | 40.78 | 31.00
| 4 | 30 | 41 | 38 | 24 | 24 | 22 | 19 | 26 | 32 | 34 | 33 | 18 | 15 | 14 | 12 | 20 | 35 | 23 | 25 | 23 | 17 | 21 | 30 | 32 | 18 | 22 | 25 | 16 | 21 | 33 | ~ | 24.78 | 41.20 | 30.00
| 5 | 22 | 18 | 30 | 17 | 15 | 11 | 20 | 20 | 21 | 24 | 20 | 14 | 20 | ~ | 22 | 18 | 18 | 21 | 16 | 19 | 14 | 18 | 22 | 30 | 20 | 16 | 21 | 28 | 27 | 22 | 24 | 20.38 | 29.86 | 30.00
| 6 | 20 | 11 | 11 | 22 | 30 | 31 | 23 | 22 | 11 | 18 | 26 | 29 | 29 | 26 | 25 | 11 | 12 | 19 | 16 | 22 | 22 | 19 | 12 | 14 | 24 | 26 | 22 | 23 | 23 | 12 | ~ | 20.33 | 30.58 | 30.00
| 7 | 15 | 18 | 14 | 15 | 8.82 | 6.85 | 7.84 | 9 | 21 | 21 | 18 | 14 | 14 | 12 | 10 | 20 | 18 | 18 | 25 | 25 | 12 | 15 | 19 | 22 | 22 | 22 | 31 | 16 | 15 | 22 | 25 | 17.19 | 30.99 | 31.00
| 8 | 20 | 17 | 16 | 10 | 12 | 14 | 20 | 15 | 19 | 20 | 14 | 17 | 26 | 26 | 19 | 29 | 15 | 12 | 18 | 26 | 28 | 31 | 26 | 25 | 18 | 21 | 23 | 23 | 22 | 17 | 35 | 20.33 | 34.84 | 31.00
| 9 | 22 | 18 | 23 | 22 | 23 | 25 | 19 | 11 | 7.99 | 17 | 18 | 23 | 17 | 25 | 16 | 15 | 36 | 28 | 18 | 27 | 24 | 28 | 18 | 34 | 36 | 35 | 35 | 23 | 24 | 23 | ~ | 23.05 | 36.27 | 30.00
| 10 | 22 | 29 | 28 | 25 | 28 | 25 | 24 | 38 | 32 | 29 | 30 | 35 | 34 | 30 | 32 | 41 | 35 | 34 | 46 | 17 | 23 | 25 | 37 | 33 | 29 | 28 | 25 | 26 | 28 | 29 | 25 | 29.83 | 45.89 | 31.00
| 11 | 23 | 29 | 27 | 28 | 40 | 24 | 20 | 17 | 39 | 32 | 32 | 22 | ~ | ~ | 59 | 45 | 39 | 26 | 38 | 39 | 42 | 27 | 32 | 33 | 22 | 38 | ~ | ~ | ~ | ~ | ~ | 32.15 | 58.96 | 24.00
| 12 | ~ | ~ | ~ | 40 | 35 | 39 | 39 | 27 | 39 | 57 | 48 | ~ | ~ | 43 | 64 | 43 | 52 | 42 | 48 | 47 | 26 | 24 | 27 | 24 | 11 | 19 | 20 | 13 | 22 | 18 | 25 | 34.35 | 63.98 | 26.00
|
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. | 45 | 39 | 1 | 0 | 0 | 0 | 0 | 0 | 85
| 40 | 1 | 0 | 0 | 0 | 0 | 0 | 67
| REL. | 52.9 | 45.8 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 47.1 | 1.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 29.1
| ID | 52 | 45 | 1 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 86 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 90
| 4 | 0 | 0 | 0 | 0 | 0 | 0 | 41
| REL. | 95.5 | 4.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 4.4 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.4
| ID | 95 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 86 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 92
| 6 | 0 | 0 | 0 | 0 | 0 | 0 | 36
| REL. | 93.4 | 6.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 6.5 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 17.9
| ID | 93 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 50 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 81
| 31 | 0 | 0 | 0 | 0 | 0 | 0 | 64
| REL | 61.7 | 38.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 38.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 15.12
| ID | 61 | 38 | 0 | 0 | 0 | 0 | 0 | 0 | 100
|
Year
| ABS. | 267 | 80 | 1 | 0 | 0 | 0 | 0 | 0 | 348
| 81 | 1 | 0 | 0 | 0 | 0 | 0 | 67 | REL. | 76.7 | 22.9 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 23.3 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 29.1
| ID | 76 | 22 | | 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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