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 | ~ | 274 | ~ | ~ | ~ | 273 | 273 | 273 | 273 | 273 | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | 273 | 269 | 269 | 264 | 265 | 266 | ~ | 273 | 272 | 275 | 276 | 279 | 271.79 | 279.08 | 17.00
| 2 | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~
| 3 | 277 | 274 | 275 | 272 | ~ | 276 | 279 | 281 | 279 | 274 | 276 | 273 | 276 | 277 | 273 | 273 | ~ | 273 | 274 | ~ | ~ | ~ | 280 | 279 | 280 | 281 | 276 | 275 | 279 | 277 | 276 | 276.33 | 281.25 | 26.00
| 4 | 278 | 281 | 283 | 282 | 278 | 276 | 275 | 277 | 276 | 278 | 281 | 279 | 280 | 279 | 284 | 284 | 287 | 284 | 288 | 286 | 291 | 293 | 294 | 288 | 282 | 288 | 292 | 293 | 292 | 290 | ~ | 283.96 | 294.08 | 30.00
| 5 | 289 | 286 | 287 | 289 | 290 | 291 | 292 | 291 | 290 | 291 | 292 | 283 | 284 | 289 | 293 | 295 | 292 | 285 | ~ | 281 | 284 | 282 | 286 | ~ | ~ | ~ | ~ | ~ | ~ | 283 | 282 | 287.78 | 295.13 | 24.00
| 6 | 287 | 292 | 295 | 294 | 293 | 286 | 283 | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | 286 | 284 | 282 | 281 | 282 | 281 | 284 | ~ | 286.33 | 294.67 | 14.00
| 7 | 290 | 290 | 293 | 292 | 287 | 289 | 288 | 282 | 286 | 288 | 286 | 285 | 286 | 285 | 285 | 285 | 285 | 285 | 285 | 286 | 285 | 287 | 289 | 291 | 291 | 290 | 291 | 290 | 286 | 287 | 288 | 287.57 | 292.96 | 31.00
| 8 | 293 | ~ | ~ | ~ | ~ | ~ | 288 | 289 | 289 | 293 | 291 | 291 | 294 | 296 | 296 | 294 | 294 | 294 | 297 | 296 | 293 | 287 | 288 | 290 | 287 | 287 | 291 | 290 | 290 | 289 | 289 | 291.33 | 297.42 | 26.00
| 9 | 289 | 287 | 285 | 282 | 284 | 285 | 284 | 288 | 290 | 291 | 290 | 291 | 290 | 287 | 287 | 287 | 283 | 281 | 280 | 281 | 281 | 283 | 281 | 282 | 285 | 286 | ~ | 289 | 290 | 292 | ~ | 285.84 | 291.67 | 29.00
|
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- 50 | 51- 100 | 101- 150 | 151- 225 | 226- 300 | 301- 450 | 451- 600 | over 600 | 50 | 100 | 150 | 225 | 300 | 450 | 600
| |
|
|
ABS. | 0 | 0 | 0 | 0 | 43 | 0 | 0 | 0 | 431
| 43 | 43 | 43 | 43 | 0 | 0 | 0 | 281
| REL. | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0
| 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 8.3
| ID | 0 | 0 | 0 | 0 | 500 | 0 | 0 | 0 | 500
| |
|
|
ABS. | 0 | 0 | 0 | 0 | 68 | 0 | 0 | 0 | 68
| 68 | 68 | 68 | 68 | 0 | 0 | 0 | 295
| REL. | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0
| 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 16.5
| ID | 0 | 0 | 0 | 0 | 500 | 0 | 0 | 0 | 500
| |
|
|
ABS. | 0 | 0 | 0 | 0 | 86 | 0 | 0 | 0 | 86
| 86 | 86 | 86 | 86 | 0 | 0 | 0 | 297
| REL. | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0
| 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 19.8
| ID | 0 | 0 | 0 | 0 | 500 | 0 | 0 | 0 | 500
| |
|
|
ABS. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 02
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
|
Year
| ABS. | 0 | 0 | 0 | 0 | 197 | 0 | 0 | 0 | 1971
| 197 | 197 | 197 | 197 | 0 | 0 | 0 | 297 | REL. | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 100.0
| 100.0 | 100.0 | 100.0 | 100.0 | 0.0 | 0.0 | 0.0 | 19.8
| ID | 0 | 0 | 0 | 0 | 500 | 0 | 0 | 0 | 500
|
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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