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 | 16 | 17 | 17 | 11 | 13 | 13 | 28 | 15 | 18 | 61 | 25 | 27 | 28 | 35 | 65 | 39 | 40 | 16 | 22 | 34 | 24 | 36 | 36 | 43 | 64 | 137 | 99 | 70 | 79 | 48 | 64 | 40.01 | 137.09 | 31.00
| 2 | 39 | 51 | 42 | 159 | 150 | 97 | 51 | 46 | 73 | 167 | 138 | 28 | 32 | 32 | 31 | 50 | 26 | 61 | 64 | 75 | 38 | 70 | 95 | 50 | 44 | 38 | 29 | 12 | ~ | ~ | ~ | 63.87 | 166.92 | 28.00
| 3 | 18 | 15 | 21 | 18 | 13 | 15 | 12 | 12 | 18 | 66 | 37 | 27 | 21 | 16 | 40 | 36 | 46 | 30 | 19 | 22 | 17 | 30 | 48 | 38 | 49 | 63 | 32 | 51 | 36 | 58 | 74 | 32.27 | 74.06 | 31.00
| 4 | 57 | 61 | 34 | 22 | 29 | 35 | 29 | 26 | 36 | 22 | 28 | 16 | 28 | 47 | 25 | 28 | 42 | 23 | 23 | 39 | 32 | 39 | 58 | 28 | 33 | 19 | 17 | 22 | 22 | 34 | ~ | 31.75 | 60.54 | 30.00
| 5 | 19 | 18 | 20 | 21 | 29 | 34 | 29 | 30 | 27 | 33 | 41 | 33 | 36 | 22 | 20 | 20 | 24 | 34 | 35 | 32 | 18 | 16 | 16 | 20 | 32 | 34 | 39 | 16 | 26 | 17 | 23 | 26.23 | 40.64 | 31.00
| 6 | 19 | 22 | 29 | 32 | 24 | 15 | 14 | 17 | 28 | 17 | 20 | 18 | 14 | 22 | 22 | 15 | 33 | 26 | 18 | 21 | 29 | 25 | 17 | 22 | 23 | 37 | 15 | 15 | 23 | 28 | ~ | 22.07 | 37.12 | 30.00
| 7 | 17 | 22 | 21 | 14 | 12 | 14 | 24 | 18 | 17 | 23 | 12 | 14 | 14 | 27 | 28 | 15 | 21 | 10 | 22 | 35 | 22 | 23 | 19 | 25 | 19 | 25 | 20 | 17 | 17 | ~ | ~ | 19.49 | 35.30 | 29.00
| 8 | 16 | 20 | 20 | 18 | 28 | 32 | 31 | 23 | 25 | 27 | 27 | 27 | 22 | 28 | 25 | ~ | 32 | 38 | 29 | 33 | 25 | 13 | 15 | ~ | 22 | 29 | 19 | 18 | 17 | 26 | 33 | 24.74 | 38.38 | 29.00
| 9 | 34 | 29 | 26 | 28 | 18 | 24 | 26 | 19 | 19 | 17 | 24 | 15 | 20 | 24 | 18 | 25 | 26 | 45 | 32 | 27 | 36 | 54 | 73 | ~ | 64 | 50 | 37 | 58 | 43 | 43 | ~ | 32.92 | 72.80 | 29.00
| 10 | 36 | 40 | 30 | 23 | 44 | 40 | 33 | 33 | 40 | 18 | 12 | 16 | 32 | 27 | 36 | 34 | 20 | 21 | 47 | 26 | 33 | 40 | 36 | 27 | 14 | 25 | 19 | 11 | 15 | 13 | 12 | 27.44 | 46.58 | 31.00
| 11 | 12 | 22 | 18 | 30 | 22 | 16 | 46 | 44 | 57 | 84 | 23 | 62 | 43 | 24 | 28 | 32 | 21 | 29 | 57 | 27 | 44 | 51 | 127 | 206 | 80 | 69 | 77 | 48 | 36 | 43 | ~ | 49.17 | 205.57 | 30.00
| 12 | 36 | 65 | 35 | 36 | 26 | 19 | 22 | 27 | 65 | 137 | 98 | 44 | 23 | 34 | 141 | 26 | 133 | 110 | 27 | 18 | 26 | 35 | 55 | 16 | 19 | 18 | 22 | 27 | 65 | 39 | 16 | 47.12 | 141.49 | 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. | 40 | 36 | 9 | 2 | 3 | 0 | 0 | 0 | 90
| 50 | 14 | 5 | 3 | 0 | 0 | 0 | 167
| REL. | 44.4 | 40.0 | 10.0 | 2.2 | 3.3 | 0.0 | 0.0 | 0.0 | 100.0
| 55.6 | 15.6 | 5.6 | 3.3 | 0.0 | 0.0 | 0.0 | 10.2
| ID | 44 | 40 | 10 | 4 | 16 | 0 | 0 | 0 | 115
| |
|
|
ABS. | 70 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 91
| 21 | 0 | 0 | 0 | 0 | 0 | 0 | 61
| REL. | 76.9 | 23.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 23.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 2.4
| ID | 76 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 73 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 87
| 14 | 1 | 0 | 0 | 0 | 0 | 0 | 73
| REL. | 83.9 | 14.9 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 16.1 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 23.9
| ID | 83 | 14 | 1 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 48 | 33 | 5 | 5 | 0 | 1 | 0 | 0 | 92
| 44 | 11 | 6 | 1 | 1 | 0 | 0 | 206
| REL | 52.1 | 35.8 | 5.4 | 5.4 | 0.0 | 1.0 | 0.0 | 0.0 | 100.0
| 47.8 | 12.0 | 6.5 | 1.1 | 1.1 | 0.0 | 0.0 | 24.11
| ID | 52 | 35 | 5 | 10 | 0 | 27 | 0 | 0 | 131
|
Year
| ABS. | 231 | 103 | 15 | 7 | 3 | 1 | 0 | 0 | 360
| 129 | 26 | 11 | 4 | 1 | 0 | 0 | 206 | REL. | 64.1 | 28.6 | 4.1 | 1.9 | 0.8 | 0.2 | 0.0 | 0.0 | 100.0
| 35.8 | 7.2 | 3.1 | 1.1 | 0.3 | 0.0 | 0.0 | 24.11
| ID | 64 | 28 | 4 | 3 | 4 | 6 | 0 | 0 | 111
|
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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