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 | 3.26 | 1.79 | 34 | 76 | 56 | 12 | 30 | 50 | 10 | 18 | 13 | 10 | 24 | 42 | 12 | 8.82 | 25 | 10 | 6.05 | 4.24 | 6.22 | 16 | 7.56 | 11 | 3.63 | 3.33 | 2.94 | 3.79 | 5.68 | 18 | 5.88 | 17.14 | 76.06 | 31.00
| 2 | 8.55 | 40 | 41 | 17 | 11 | 54 | 8.74 | 7.12 | 3.76 | 2.64 | 4.53 | 3.81 | 3.46 | 8.26 | 21 | 13 | 49 | 9 | 6.18 | 4.68 | 2.60 | 6.51 | ~ | 2.99 | 13 | 4.76 | 4.68 | 4.51 | ~ | ~ | ~ | 13.17 | 53.81 | 27.00
| 3 | 8.85 | 2.28 | 2.97 | 41 | 42 | 25 | 2.73 | 10 | 8.03 | 3.11 | 16 | 83 | 45 | 2.12 | 4.11 | 12 | 37 | 27 | 4.88 | 4.90 | 6.04 | 1.44 | 1.24 | 1.48 | 1.64 | 1.25 | 3.48 | 53 | 73 | 36 | 9 | 18.45 | 83.23 | 31.00
| 4 | 19 | 13 | 8.26 | 7.73 | 4.31 | 1.80 | 3.78 | 10 | 4.72 | 9 | 13 | 8.39 | 6.67 | 2.52 | ~ | 4.07 | 6.79 | 7.56 | 7.39 | 1.79 | 1.37 | 3.55 | 3.14 | 5.22 | 5.53 | 4.66 | 2.04 | 3.57 | 4.63 | 10 | ~ | 6.33 | 19.01 | 29.00
| 5 | 5.28 | 4.96 | 3.66 | 4.31 | 2.84 | 4.06 | 7.90 | 9 | 12 | 10 | 7.99 | 6.42 | 16 | 4.39 | 6.55 | 21 | 2.66 | 1.18 | 0.63 | 1.15 | 6.10 | 3.88 | 2.65 | 3.13 | 1.30 | 3.94 | 2.78 | 2.04 | 1.15 | 7.66 | 1.39 | 5.45 | 21.42 | 31.00
| 6 | 0.68 | 1.07 | 13 | 5.78 | 5.18 | 8.92 | 6.91 | 1.97 | 4.58 | 2.99 | 4.62 | 4.23 | 3.25 | 10 | 3.49 | 6.36 | 9 | 5.12 | 3.03 | 3.26 | 2.63 | 1.76 | 1.46 | 2.55 | 2.79 | 5.84 | 2.98 | 2.13 | 2.23 | 3.13 | ~ | 4.34 | 12.58 | 30.00
| 7 | 4.46 | 8.07 | 4.92 | 3.89 | 3.77 | 2.78 | 4.78 | 7.98 | 4.32 | 2.73 | 10 | 3.71 | 2.43 | 1.53 | 1.52 | 4.15 | 5.05 | 4.93 | 3.91 | 4.87 | 2.66 | 3.23 | 4.04 | 3.55 | 4.03 | 3.63 | 4.43 | 9 | 5.85 | 2.55 | 4.16 | 4.43 | 10.27 | 31.00
| 8 | 5.26 | 13 | 6.89 | 2.90 | 4.81 | 5.83 | 2.72 | 3.75 | 8.61 | 3.48 | 4.25 | 1.70 | 1.55 | 2.11 | 1.81 | 1.81 | 3.30 | 6.44 | 5.58 | 7.78 | 6.97 | 21 | 25 | 5.77 | 15 | 7.20 | 5.38 | 12 | 13 | 15 | 7.12 | 7.34 | 25.35 | 31.00
| 9 | 1.75 | 4.56 | 16 | 10 | 5.07 | 4.48 | 12 | 3.61 | 10 | 12 | 3.43 | 8.26 | 11 | 2.67 | 1.29 | 3.17 | 3.56 | 7.12 | 19 | 15 | 10 | 5.29 | 3.46 | 3.54 | 3.41 | 6.95 | 1.32 | 21 | 41 | 82 | ~ | 11.03 | 82.29 | 30.00
| 10 | 70 | 63 | 19 | 5.70 | 3.44 | 2.93 | 1.61 | 5.59 | 16 | 15 | 10 | 4.33 | 15 | 20 | 27 | 39 | 8.98 | 5.61 | 2.28 | 30 | 51 | 50 | 5.85 | 13 | 10 | 1.95 | 2.40 | 1.33 | 13 | 53 | 20 | 18.88 | 69.70 | 31.00
| 11 | 20 | 3.03 | 9 | 15 | 2.92 | 22 | 31 | 7.96 | 1.92 | 19 | 14 | 16 | 36 | 35 | 67 | 37 | 28 | 36 | 2.90 | 31 | 27 | 11 | 28 | 29 | 51 | 28 | 23 | 17 | 13 | 12 | ~ | 22.44 | 67.49 | 30.00
| 12 | 19 | 24 | 22 | 19 | 9 | 10 | 9 | 9 | 26 | 35 | 52 | 23 | 17 | 17 | 18 | 45 | 13 | 2.49 | 71 | 79 | 36 | 24 | 13 | 7.25 | 5.49 | 7.85 | 18 | 21 | 6.07 | 3.41 | 8.06 | 21.67 | 78.79 | 31.00
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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- 50 | 51- 100 | 101- 150 | 151- 225 | 226- 300 | 301- 450 | 451- 600 | over 600 | 50 | 100 | 150 | 225 | 300 | 450 | 600
| |
|
|
ABS. | 82 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 89
| 7 | 0 | 0 | 0 | 0 | 0 | 0 | 83
| REL. | 92.1 | 7.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 7.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 12.3
| ID | 92 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 90 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 90
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21
| 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 | 16.5
| ID | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 91 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 92
| 1 | 0 | 0 | 0 | 0 | 0 | 0 | 82
| REL. | 98.9 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 30.9
| ID | 98 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 82 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 92
| 10 | 0 | 0 | 0 | 0 | 0 | 0 | 79
| REL | 89.1 | 10.8 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 10.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 20.12
| ID | 89 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 100
|
Year
| ABS. | 345 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 363
| 18 | 0 | 0 | 0 | 0 | 0 | 0 | 83 | REL. | 95.0 | 4.9 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 5.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 12.3
| ID | 95 | 4 | 0 | 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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