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 | 10 | 8.65 | 11 | 19 | 12 | 14 | 22 | 17 | 16 | 39 | 29 | 42 | 33 | 48 | 22 | 29 | 23 | 30 | 35 | 16 | 17 | 26 | 28 | 36 | 18 | 19 | 12 | 12 | 14 | 20 | 25 | 22.75 | 47.91 | 31.00
| 2 | 22 | 20 | 15 | 19 | 28 | 22 | 25 | 15 | 10 | 5.53 | 10 | 6.31 | 8.28 | 9 | 18 | 17 | 17 | 15 | 14 | 14 | 7.59 | 13 | 7.19 | 7.60 | 17 | 15 | 8.99 | 13 | ~ | ~ | ~ | 14.36 | 27.74 | 28.00
| 3 | 18 | 12 | 10 | 13 | 16 | 25 | 13 | 13 | 14 | 10 | 12 | 13 | 21 | 22 | 23 | 23 | 17 | 18 | 19 | 17 | 13 | 10 | 7.49 | 6.10 | 7.27 | 8.89 | 9 | 13 | 16 | 20 | 19 | 14.81 | 25.39 | 31.00
| 4 | 16 | 17 | 17 | 16 | 11 | 8.80 | 9 | 16 | 18 | 18 | 17 | 17 | 16 | 14 | 12 | 14 | 15 | 20 | 14 | 12 | 11 | 14 | 12 | 11 | 10 | 11 | 7.16 | 11 | 10 | 10 | ~ | 13.40 | 19.51 | 30.00
| 5 | 10 | 11 | 11 | 9 | 10 | 10 | 12 | 11 | 10 | 10 | 10 | 8.77 | 10 | 9 | 7.74 | 8.99 | 12 | 10 | 9 | 11 | 11 | 10 | 10 | 10 | 9 | 8.36 | 12 | 8.71 | 8.61 | 10 | 9 | 9.99 | 11.70 | 31.00
| 6 | 7.48 | 7.69 | 7.79 | 7.65 | 9 | 8.24 | 7.61 | 7.96 | 7.01 | 7.44 | 7.47 | 11 | 10 | 8.71 | 8.38 | 7.63 | 8.30 | 8.65 | 8.53 | 8.65 | 7.75 | 7.28 | 7.78 | 7.64 | 8.44 | 8.20 | 9 | 10 | 6.74 | 7.78 | ~ | 8.20 | 11.38 | 30.00
| 7 | 8.50 | 8.45 | 7.39 | 7.05 | 8.15 | 6.99 | 7.25 | 7.82 | 9 | 8.42 | 9 | 8.51 | 10 | 7.35 | 9 | 10 | 8.42 | 8.72 | 10 | 7.97 | 6.97 | 8.04 | 9 | 7.21 | 7.23 | 8.05 | 8.75 | 8.60 | 9 | 10 | 10 | 8.43 | 10.29 | 31.00
| 8 | 11 | 10 | 10 | 11 | 8.22 | 11 | 11 | 10 | 10 | 10 | 11 | 8.10 | 6.62 | 8.28 | 8.86 | 9 | 7.63 | 8.62 | 13 | 9 | 14 | 12 | 10 | 9 | 8.44 | 9 | 11 | 11 | 11 | 12 | 8.14 | 9.96 | 14.13 | 31.00
| 9 | 7.45 | 8.64 | 12 | 11 | 12 | 12 | 11 | 10 | 11 | 10 | 9 | 9 | 10 | 8.61 | 6.85 | ~ | 10 | 11 | 13 | 19 | 11 | 10 | 12 | 11 | 11 | 12 | 8.06 | 6.66 | 8.23 | 11 | ~ | 10.50 | 18.97 | 29.00
| 10 | 12 | 22 | 18 | 12 | 11 | 11 | 9 | 13 | 17 | 28 | 19 | 12 | 13 | 31 | 30 | 24 | 18 | 15 | 7.43 | 8.89 | 23 | 29 | 28 | 12 | 17 | 5.80 | 12 | 7.74 | 14 | 21 | 27 | 17.08 | 31.50 | 31.00
| 11 | 23 | 16 | 12 | 18 | 7.63 | 17 | 27 | 22 | 20 | 11 | 18 | 14 | 22 | 26 | 16 | 10 | 12 | 23 | 28 | 15 | 22 | 25 | 13 | 13 | 19 | 39 | 21 | 22 | 27 | 17 | ~ | 19.08 | 39.01 | 30.00
| 12 | 16 | 15 | 48 | 72 | 40 | 23 | 24 | 21 | 33 | 24 | 42 | 26 | 22 | 46 | 20 | 22 | 36 | 20 | 26 | 39 | 53 | 51 | 36 | 31 | 17 | 23 | 22 | 25 | 20 | 18 | ~ | 30.37 | 71.68 | 30.00
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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. | 84 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 90
| 6 | 0 | 0 | 0 | 0 | 0 | 0 | 48
| REL. | 93.3 | 6.6 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 6.7 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 14.1
| ID | 93 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 91 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 91
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 20
| 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 | 18.4
| ID | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 91 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 91
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 19
| 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 | 20.9
| ID | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 80 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 91
| 11 | 1 | 0 | 0 | 0 | 0 | 0 | 72
| REL | 87.9 | 10.9 | 1.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 12.1 | 1.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 4.12
| ID | 87 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 100
|
Year
| ABS. | 346 | 16 | 1 | 0 | 0 | 0 | 0 | 0 | 363
| 17 | 1 | 0 | 0 | 0 | 0 | 0 | 72 | REL. | 95.3 | 4.4 | 0.2 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 4.7 | 0.3 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 4.12
| ID | 95 | 4 | | 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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