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 | 270 | 268 | 271 | 279 | 280 | 278 | 277 | 274 | 274 | 272 | 273 | 269 | 270 | 274 | 276 | 277 | 275 | 271 | 271 | 270 | 269 | 270 | 272 | 272 | 279 | 276 | 274 | 272 | 267 | 266 | 262 | 272.53 | 280.24 | 31.00
| 2 | 269 | 274 | 276 | 278 | 275 | 273 | 272 | 269 | 267 | 264 | 267 | 268 | 269 | 268 | 269 | 272 | 271 | 272 | 275 | 275 | 275 | 273 | 272 | 273 | 272 | 275 | 277 | 278 | ~ | ~ | ~ | 272.12 | 278.47 | 28.00
| 3 | 279 | 281 | 281 | 279 | 276 | 275 | 274 | 275 | 273 | 277 | 274 | 274 | 276 | 278 | 278 | 273 | 273 | 274 | 276 | 276 | 277 | 278 | 277 | 280 | 281 | 284 | 285 | 279 | 280 | 283 | 284 | 277.74 | 285.37 | 31.00
| 4 | 285 | 285 | 285 | 284 | 284 | 286 | 282 | 281 | 282 | 286 | 282 | 281 | 279 | 278 | 277 | 276 | 276 | 277 | 278 | 278 | 280 | 283 | 285 | 287 | 285 | 285 | 285 | 283 | 285 | 287 | ~ | 282.24 | 287.02 | 30.00
| 5 | 289 | 285 | 287 | 286 | 284 | 284 | 284 | 283 | 287 | 290 | 288 | 288 | 286 | 285 | 281 | 282 | 285 | 287 | 288 | 291 | 287 | 285 | 286 | 289 | 290 | 289 | 292 | 294 | 293 | 295 | 291 | 287.39 | 294.80 | 31.00
| 6 | 290 | 293 | 291 | 289 | ~ | ~ | ~ | 286 | 287 | 291 | 286 | 286 | 289 | 289 | 290 | 291 | 291 | 284 | 287 | 290 | 285 | 284 | 287 | 286 | 287 | 291 | 292 | 289 | 292 | 292 | ~ | 288.72 | 292.73 | 27.00
| 7 | 291 | 291 | 296 | 299 | 298 | 293 | 290 | 290 | 292 | 295 | 295 | 294 | 294 | 290 | 289 | 290 | 293 | 295 | 296 | 295 | 293 | 290 | 288 | 290 | 293 | 295 | 291 | 293 | 293 | 293 | 294 | 292.88 | 299.17 | 31.00
| 8 | 294 | 294 | 293 | 294 | 290 | 295 | 292 | 296 | 295 | 292 | 288 | ~ | 286 | 290 | 289 | 289 | 288 | 290 | 289 | 290 | 288 | 286 | 287 | 290 | 292 | 292 | 293 | 290 | 289 | 291 | 288 | 290.72 | 295.87 | 30.00
| 9 | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~ | ~
| 10 | 286 | 287 | 283 | 283 | 283 | 282 | 281 | 283 | 285 | 287 | 286 | 281 | 281 | 282 | 280 | 277 | 277 | 277 | 276 | 276 | 278 | 280 | 280 | 282 | 282 | 286 | 285 | ~ | 282 | 279 | 279 | 281.44 | 286.98 | 30.00
| 11 | 279 | 282 | 279 | 278 | 278 | 278 | 278 | 279 | 277 | 275 | 275 | 276 | 275 | 275 | 272 | 270 | 272 | 271 | 271 | 271 | 271 | 271 | 272 | 275 | 276 | 275 | 273 | 274 | 272 | 272 | ~ | 274.74 | 281.95 | 30.00
| 12 | 278 | 274 | 274 | 274 | 277 | ~ | ~ | ~ | 279 | 277 | 277 | 280 | 275 | 274 | 272 | 269 | 271 | 274 | 271 | 272 | 269 | 265 | 265 | 267 | 266 | 272 | 273 | 273 | 273 | 272 | ~ | 272.73 | 280.13 | 27.00
|
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 | 90 | 0 | 0 | 0 | 90
| 90 | 90 | 90 | 90 | 0 | 0 | 0 | 285
| 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 | 27.3
| ID | 0 | 0 | 0 | 0 | 500 | 0 | 0 | 0 | 500
| |
|
|
ABS. | 0 | 0 | 0 | 0 | 88 | 0 | 0 | 0 | 88
| 88 | 88 | 88 | 88 | 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 | 30.5
| ID | 0 | 0 | 0 | 0 | 500 | 0 | 0 | 0 | 500
| |
|
|
ABS. | 0 | 0 | 0 | 0 | 61 | 0 | 0 | 0 | 61
| 61 | 61 | 61 | 61 | 0 | 0 | 0 | 299
| 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 | 4.7
| ID | 0 | 0 | 0 | 0 | 500 | 0 | 0 | 0 | 500
| |
|
|
ABS. | 0 | 0 | 0 | 0 | 87 | 0 | 0 | 0 | 87
| 87 | 87 | 87 | 87 | 0 | 0 | 0 | 287
| 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 | 2.10
| ID | 0 | 0 | 0 | 0 | 500 | 0 | 0 | 0 | 500
|
Year
| ABS. | 0 | 0 | 0 | 0 | 326 | 0 | 0 | 0 | 326
| 326 | 326 | 326 | 326 | 0 | 0 | 0 | 299 | 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 | 4.7
| 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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