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 | 32 | 41 | 11 | 13 | 42 | 45 | 37 | 37 | 35 | 7.00 | 54 | 8.00 | 39 | 12 | 38 | 33 | 96 | 98 | 48 | 72 | 74 | 76 | 72 | 70 | 47 | 34 | 10 | 77 | 39 | 26 | 35 | 43.81 | 98.00 | 31.00
| 2 | 67 | 77 | 81 | 69 | 40 | 36 | 8.00 | 37 | 17 | 88 | 64 | 13 | ~ | ~ | 37 | 48 | 22 | 29 | 29 | 22 | 16 | 18 | 20 | 19 | 25 | 33 | 34 | 27 | ~ | ~ | ~ | 37.54 | 88.00 | 26.00
| 3 | 9.00 | 19 | 10 | 40 | 13 | 8.00 | 57 | 50 | 36 | 38 | 52 | 53 | 53 | 38 | 30 | 44 | 49 | 37 | 35 | 30 | 6.00 | 36 | 41 | 34 | 15 | 78 | 29 | 64 | 37 | 38 | 83 | 37.48 | 83.00 | 31.00
| 4 | 58 | 59 | 56 | 30 | 30 | 32 | 24 | 24 | 34 | 61 | 8.00 | 28 | 10 | 44 | 5.00 | ~ | 17 | 49 | 31 | 25 | 39 | 39 | 54 | 41 | 39 | 39 | ~ | 61 | 34 | 53 | ~ | 36.57 | 61.00 | 28.00
| 5 | 37 | 9.00 | 45 | 20 | 47 | 5.00 | 64 | 17 | 49 | 47 | 28 | 28 | 20 | 28 | 25 | 27 | 33 | 29 | ~ | 27 | 20 | 20 | 10 | 35 | 16 | 71 | 16 | 60 | 20 | 89 | 28 | 32.33 | 89.00 | 30.00
| 6 | 46 | 30 | 26 | 16 | 21 | 17 | 25 | 29 | 33 | 36 | 28 | 29 | 9.00 | 43 | 8.00 | 55 | 9.00 | 4.00 | 49 | 4.00 | 15 | 22 | 34 | 29 | 36 | 31 | 26 | 22 | 40 | 35 | ~ | 26.90 | 55.00 | 30.00
| 7 | 37 | 31 | 31 | 66 | ~ | 27 | 6.00 | ~ | 16 | 15 | 8.00 | 18 | 15 | 9.00 | 12 | 22 | 28 | 34 | 36 | 23 | 24 | 22 | 14 | 17 | 22 | 36 | 33 | 38 | 29 | 31 | 28 | 25.10 | 66.00 | 29.00
| 8 | 6.00 | 23 | 5.00 | 10 | 46 | 29 | 10 | 11 | 56 | 18 | 18 | 33 | 30 | 24 | 4.00 | 19 | 4.00 | 34 | 5.00 | 36 | 8.00 | 30 | 6.00 | 12 | 10 | 11 | 11 | 50 | ~ | 23 | 33 | 20.50 | 56.00 | 30.00
| 9 | 27 | 37 | 51 | 34 | 33 | 4.00 | 60 | 57 | 40 | 32 | 18 | 7.00 | 80 | 11 | 4.00 | 20 | 10 | 87 | 50 | 37 | 42 | 40 | 47 | 33 | 35 | 36 | 17 | 63 | 37 | 5.00 | ~ | 35.13 | 87.00 | 30.00
| 10 | 51 | 26 | 8.00 | 36 | 10 | 11 | 4.00 | 34 | 17 | ~ | 16 | 60 | ~ | 33 | 40 | 38 | 24 | 26 | 45 | 41 | 28 | 24 | 11 | 38 | 58 | 30 | 13 | 61 | 9.00 | 59 | 180 | 35.55 | 180.00 | 29.00
| 11 | 47 | 66 | 55 | 57 | 50 | 37 | 41 | 4.00 | 26 | 9.00 | 63 | 85 | 34 | 8.00 | 43 | 69 | 21 | 21 | 60 | 38 | 71 | 38 | 49 | 103 | 79 | 54 | 80 | 93 | 94 | 73 | ~ | 52.27 | 103.00 | 30.00
| 12 | 35 | 15 | 33 | 13 | 4.00 | 32 | 13 | ~ | ~ | 11 | 17 | ~ | 25 | 27 | 24 | 43 | 62 | ~ | ~ | ~ | ~ | 66 | 77 | ~ | 35 | 7.00 | 27 | 24 | 31 | 27 | 25 | 29.26 | 77.00 | 23.00
|
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. | 33 | 40 | 15 | 0 | 0 | 0 | 0 | 0 | 88
| 55 | 15 | 0 | 0 | 0 | 0 | 0 | 98
| REL. | 37.5 | 45.4 | 17.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 62.5 | 17.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 18.1
| ID | 37 | 45 | 17 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 53 | 33 | 2 | 0 | 0 | 0 | 0 | 0 | 88
| 35 | 2 | 0 | 0 | 0 | 0 | 0 | 89
| REL. | 60.2 | 37.5 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 39.8 | 2.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 30.5
| ID | 60 | 37 | 2 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 61 | 26 | 2 | 0 | 0 | 0 | 0 | 0 | 89
| 28 | 2 | 0 | 0 | 0 | 0 | 0 | 87
| REL. | 68.5 | 29.2 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 31.5 | 2.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 18.9
| ID | 68 | 29 | 2 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 39 | 32 | 9 | 1 | 1 | 0 | 0 | 0 | 82
| 43 | 11 | 2 | 1 | 0 | 0 | 0 | 180
| REL | 47.5 | 39.0 | 10.9 | 1.2 | 1.2 | 0.0 | 0.0 | 0.0 | 100.0
| 52.4 | 13.4 | 2.4 | 1.2 | 0.0 | 0.0 | 0.0 | 31.10
| ID | 47 | 39 | 10 | 2 | 6 | 0 | 0 | 0 | 106
|
Year
| ABS. | 186 | 131 | 28 | 1 | 1 | 0 | 0 | 0 | 347
| 161 | 30 | 2 | 1 | 0 | 0 | 0 | 180 | REL. | 53.6 | 37.7 | 8.0 | 0.2 | 0.2 | 0.0 | 0.0 | 0.0 | 100.0
| 46.4 | 8.6 | 0.6 | 0.3 | 0.0 | 0.0 | 0.0 | 31.10
| ID | 53 | 37 | 8 | | 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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