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 | 273 | 279 | 280 | 279 | 277 | 276 | 281 | 281 | 283 | 279 | 274 | 269 | 269 | 275 | 278 | 280 | 275 | 277 | 276 | 273 | 270 | 270 | 269 | 267 | 265 | 261 | 259 | 267 | 265 | 267 | 261 | 272.69 | 283.46 | 31.00
| 2 | 255 | 260 | 265 | 264 | 270 | 271 | 275 | 274 | 278 | 282 | 284 | 285 | 286 | 286 | 287 | 285 | 276 | 281 | 284 | 279 | 281 | 283 | 278 | 280 | 281 | 282 | 282 | 277 | ~ | ~ | ~ | 277.50 | 287.11 | 28.00
| 3 | 274 | 278 | 284 | 292 | 277 | 278 | 283 | 277 | 269 | 269 | 268 | 272 | 274 | 275 | 275 | 279 | 279 | 279 | 274 | 272 | 270 | 270 | 269 | 271 | 271 | 274 | 282 | 282 | 280 | 281 | 287 | 276.27 | 291.54 | 31.00
| 4 | 289 | 287 | 289 | 285 | 284 | 281 | 285 | 280 | 280 | 283 | 281 | 278 | 277 | 274 | 282 | 278 | 280 | 280 | 278 | 282 | 282 | 283 | 285 | 285 | 287 | 290 | 292 | 285 | 284 | 285 | ~ | 283.04 | 292.10 | 30.00
| 5 | 287 | 283 | 283 | 277 | 280 | 282 | 284 | 292 | 293 | 293 | 295 | 296 | 294 | 286 | 281 | 281 | 280 | 281 | 287 | 288 | 284 | 279 | 279 | 284 | 285 | 287 | 291 | 294 | 296 | 290 | 292 | 286.59 | 296.14 | 31.00
| 6 | 285 | 295 | 294 | 294 | 300 | 304 | 303 | 287 | 295 | 294 | 286 | 282 | 278 | 285 | 288 | 287 | 284 | 285 | 290 | 294 | 303 | 298 | 291 | 291 | 298 | 297 | 298 | 293 | 294 | 297 | ~ | 292.34 | 304.18 | 30.00
| 7 | 292 | 288 | 291 | 286 | 288 | 292 | 286 | 282 | 287 | 291 | 291 | 292 | 296 | 288 | 289 | 289 | 292 | 296 | 298 | 304 | 307 | 298 | 300 | 296 | 295 | 294 | 297 | 293 | 293 | 296 | 290 | 292.85 | 306.93 | 31.00
| 8 | 296 | 299 | 295 | 297 | 293 | 294 | 300 | 304 | 300 | ~ | 307 | 308 | 295 | 291 | 298 | 297 | 301 | 298 | 294 | 298 | 292 | 287 | 288 | 287 | 284 | 291 | 283 | 284 | 284 | 284 | 283 | 293.76 | 307.91 | 30.00
| 9 | 288 | 291 | 287 | 291 | 287 | 288 | 289 | 288 | 296 | 298 | 288 | 283 | 279 | 279 | 281 | 283 | 281 | 284 | 280 | 284 | 283 | 281 | 283 | 283 | 280 | 285 | 288 | 287 | 284 | 286 | ~ | 285.50 | 298.19 | 30.00
| 10 | 282 | 279 | 277 | 278 | 277 | 279 | 284 | 281 | 282 | 284 | 281 | 278 | 277 | 282 | 283 | 284 | 290 | 278 | 277 | 274 | 281 | 287 | 287 | 282 | 281 | 276 | 277 | 283 | 275 | 272 | 274 | 280.14 | 290.00 | 31.00
| 11 | 275 | 273 | 275 | 274 | 273 | 275 | 271 | 277 | 281 | 281 | 273 | 269 | 270 | 270 | 271 | 271 | 266 | 265 | 264 | 261 | 256 | 261 | 265 | 265 | 265 | 266 | 270 | 269 | 266 | 267 | ~ | 269.45 | 280.95 | 30.00
| 12 | 261 | 265 | 268 | 268 | 270 | 269 | 266 | 263 | 263 | 263 | 263 | 277 | 281 | 280 | 282 | 279 | 280 | 283 | 279 | 274 | 270 | 271 | 268 | 271 | 275 | 279 | 285 | 276 | 273 | 271 | 269 | 272.45 | 285.15 | 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- 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 | 292
| 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 | 4.3
| ID | 0 | 0 | 0 | 0 | 500 | 0 | 0 | 0 | 500
| |
|
|
ABS. | 0 | 0 | 0 | 0 | 87 | 4 | 0 | 0 | 91
| 91 | 91 | 91 | 91 | 4 | 0 | 0 | 304
| REL. | 0.0 | 0.0 | 0.0 | 0.0 | 95.6 | 4.3 | 0.0 | 0.0 | 100.0
| 100.0 | 100.0 | 100.0 | 100.0 | 4.4 | 0.0 | 0.0 | 6.6
| ID | 0 | 0 | 0 | 0 | 478 | 109 | 0 | 0 | 587
| |
|
|
ABS. | 0 | 0 | 0 | 0 | 84 | 7 | 0 | 0 | 91
| 91 | 91 | 91 | 91 | 7 | 0 | 0 | 308
| REL. | 0.0 | 0.0 | 0.0 | 0.0 | 92.3 | 7.6 | 0.0 | 0.0 | 100.0
| 100.0 | 100.0 | 100.0 | 100.0 | 7.7 | 0.0 | 0.0 | 12.8
| ID | 0 | 0 | 0 | 0 | 461 | 192 | 0 | 0 | 653
| |
|
|
ABS. | 0 | 0 | 0 | 0 | 92 | 0 | 0 | 0 | 92
| 92 | 92 | 92 | 92 | 0 | 0 | 0 | 290
| 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 | 17.10
| ID | 0 | 0 | 0 | 0 | 500 | 0 | 0 | 0 | 500
|
Year
| ABS. | 0 | 0 | 0 | 0 | 353 | 11 | 0 | 0 | 364
| 364 | 364 | 364 | 364 | 11 | 0 | 0 | 308 | REL. | 0.0 | 0.0 | 0.0 | 0.0 | 96.9 | 3.0 | 0.0 | 0.0 | 100.0
| 100.0 | 100.0 | 100.0 | 100.0 | 3.0 | 0.0 | 0.0 | 12.8
| ID | 0 | 0 | 0 | 0 | 484 | 75 | 0 | 0 | 560
|
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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