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 | 71 | 81 | 138 | 180 | 119 | 60 | 86 | 136 | 105 | 145 | 95 | 125 | 136 | 98 | 239 | 187 | 72 | 153 | 118 | 91 | 84 | 103 | 102 | 118 | 119 | 160 | 90 | 139 | 131 | 69 | 67 | 116.67 | 238.93 | 31.00
| 2 | 76 | 76 | 83 | 101 | 55 | 90 | 151 | 164 | 87 | 123 | 156 | 195 | 67 | 93 | 233 | 257 | 63 | 65 | 72 | 45 | 52 | 54 | 68 | 54 | 76 | 78 | 94 | 97 | ~ | ~ | ~ | 100.88 | 257.39 | 28.00
| 3 | 90 | 95 | 63 | 55 | 48 | 70 | 62 | 64 | 91 | 56 | 79 | 75 | 65 | 54 | 125 | 104 | 66 | 80 | 45 | 41 | 84 | 119 | 109 | 87 | 79 | 48 | ~ | 55 | 49 | 91 | 68 | 73.92 | 125.06 | 30.00
| 4 | 73 | 125 | 99 | 101 | 76 | 64 | 41 | 49 | 96 | 80 | 59 | 38 | 33 | 33 | 37 | 65 | 87 | 57 | 88 | 41 | 27 | 43 | 76 | 112 | 79 | 76 | 83 | 67 | 90 | 82 | ~ | 69.28 | 124.52 | 30.00
| 5 | 67 | 60 | 68 | 74 | 39 | 19 | 26 | 52 | 82 | 84 | 43 | 40 | 60 | 56 | 69 | 62 | 57 | 65 | 39 | 62 | 44 | 56 | 75 | 89 | 53 | 55 | 46 | 79 | 55 | 44 | 59 | 57.38 | 88.75 | 31.00
| 6 | 47 | 37 | 28 | 42 | 72 | 79 | 61 | 60 | 44 | 49 | 57 | 59 | 68 | 78 | 59 | 39 | 48 | 44 | 41 | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | 53.24 | 79.48 | 19.00
| 7 | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | 62 | 58 | 73 | 68 | 56 | 64 | 61 | 64 | 43 | 54 | 61 | 55 | 53 | 59 | 46 | 58.51 | 72.64 | 15.00
| 8 | 47 | 57 | 52 | 51 | 41 | 49 | 57 | 47 | 73 | 64 | 37 | 37 | 68 | 69 | 59 | 56 | 36 | 58 | 64 | 51 | 35 | 51 | 66 | 65 | 49 | 48 | 42 | 31 | 63 | 65 | 76 | 53.63 | 75.90 | 31.00
| 9 | 53 | 41 | 60 | 59 | 53 | 57 | 50 | 29 | 19 | 39 | 44 | 54 | 73 | 73 | 41 | 46 | 54 | 71 | 92 | 74 | 66 | ~ | 48 | 71 | 58 | 82 | 88 | 61 | 63 | 72 | ~ | 58.17 | 92.11 | 29.00
| 10 | 79 | 94 | 93 | 86 | 114 | 74 | 109 | 113 | 121 | 108 | 78 | 120 | 106 | 168 | 157 | 141 | 93 | 115 | 160 | 72 | 62 | 93 | 91 | 92 | 97 | 70 | 44 | 65 | 68 | 70 | 94 | 98.27 | 168.37 | 31.00
| 11 | 45 | 57 | 76 | 74 | 82 | 68 | 65 | 50 | 49 | 114 | ~ | 104 | 69 | 67 | 118 | 191 | 81 | 67 | 94 | 123 | 96 | 60 | 52 | 64 | 142 | 257 | 162 | 93 | 88 | 86 | ~ | 92.85 | 256.69 | 29.00
| 12 | 42 | 39 | 75 | 122 | 134 | 96 | 41 | 47 | 143 | 147 | 96 | 43 | 59 | 71 | 96 | 45 | 73 | 106 | 77 | 68 | 51 | 60 | 49 | 33 | 29 | 46 | 48 | 36 | 58 | 32 | 43 | 67.85 | 147.49 | 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. | 0 | 23 | 35 | 20 | 8 | 3 | 0 | 0 | 89
| 89 | 66 | 31 | 11 | 3 | 0 | 0 | 257
| REL. | 0.0 | 25.8 | 39.3 | 22.4 | 8.9 | 3.3 | 0.0 | 0.0 | 100.0
| 100.0 | 74.2 | 34.8 | 12.4 | 3.4 | 0.0 | 0.0 | 16.2
| ID | 0 | 25 | 39 | 44 | 44 | 84 | 0 | 0 | 239
| |
|
|
ABS. | 6 | 44 | 27 | 3 | 0 | 0 | 0 | 0 | 80
| 74 | 30 | 3 | 0 | 0 | 0 | 0 | 125
| REL. | 7.5 | 55.0 | 33.7 | 3.7 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 92.5 | 37.5 | 3.8 | 0.0 | 0.0 | 0.0 | 0.0 | 2.4
| ID | 7 | 55 | 33 | 7 | 0 | 0 | 0 | 0 | 103
| |
|
|
ABS. | 3 | 57 | 15 | 0 | 0 | 0 | 0 | 0 | 75
| 72 | 15 | 0 | 0 | 0 | 0 | 0 | 92
| REL. | 4.0 | 76.0 | 20.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0
| 96.0 | 20.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 19.9
| ID | 4 | 76 | 20 | 0 | 0 | 0 | 0 | 0 | 100
| |
|
|
ABS. | 3 | 26 | 37 | 19 | 5 | 1 | 0 | 0 | 91
| 88 | 62 | 25 | 6 | 1 | 0 | 0 | 257
| REL | 3.2 | 28.5 | 40.6 | 20.8 | 5.4 | 1.0 | 0.0 | 0.0 | 100.0
| 96.7 | 68.1 | 27.5 | 6.6 | 1.1 | 0.0 | 0.0 | 26.11
| ID | 3 | 28 | 40 | 41 | 27 | 27 | 0 | 0 | 169
|
Year
| ABS. | 12 | 150 | 114 | 42 | 13 | 4 | 0 | 0 | 335
| 323 | 173 | 59 | 17 | 4 | 0 | 0 | 257 | REL. | 3.5 | 44.7 | 34.0 | 12.5 | 3.8 | 1.1 | 0.0 | 0.0 | 100.0
| 96.4 | 51.6 | 17.6 | 5.1 | 1.2 | 0.0 | 0.0 | 16.2
| ID | 3 | 44 | 34 | 25 | 19 | 29 | 0 | 0 | 156
|
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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