Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:CO-carbon monoxide
Station:1105 - Plzen-Doubravka
Code:CZPMCMDOU
Institution:Czech Hydrometeorological Institute
Region:Zapadocesky
District:Plzen-mesto
IHd: 5000
Measure method:IR corel. absorption spectrometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 866 898 606 417 700 1026 480 377 442 431 465 401 385 377 366 569 578 630 790 679 641 946 722 735 481 397 389 403 356 416 561 565.56 1025.69 31.00
2 560 588 568 418 288 337 371 640 700 595 485 347 372 479 645 444 373 500 454 ~ ~ 337 231 292 223 522 606 449 ~ ~ ~ 454.82 699.68 26.00
3 290 262 251 383 272 369 407 396 342 377 359 379 460 513 231 280 312 459 424 232 293 304 266 348 462 518 289 326 380 418 448 356.45 518.45 31.00
4 ~ 293 376 311 427 331 227 310 328 294 272 224 198 227 194 229 267 330 288 330 435 254 248 263 267 326 305 214 119 310 ~ 282.63 434.54 29.00
5 290 209 171 199 206 166 279 382 188 242 253 241 265 231 164 194 186 ~ ~ ~ 210 290 334 575 243 288 246 286 463 342 424 270.23 574.78 28.00
6 372 432 413 350 390 350 405 368 232 336 446 427 359 449 334 332 341 359 412 368 377 326 368 373 498 420 516 459 464 486 ~ 391.97 515.93 30.00
7 400 363 411 390 423 365 358 368 317 407 427 425 436 369 363 416 459 411 434 444 284 367 298 319 289 274 387 261 274 303 325 366.72 459.34 31.00
8 351 426 445 433 487 395 362 327 285 361 365 354 384 381 367 297 285 324 350 308 252 256 305 332 343 441 465 409 396 436 444 366.69 486.96 31.00
9 346 375 384 313 342 329 287 469 532 420 362 419 415 385 421 522 602 ~ ~ ~ 342 364 434 470 489 377 356 479 355 366 ~ 405.83 602.45 27.00
10 322 381 360 369 433 365 396 415 348 374 385 362 473 421 356 497 674 503 432 430 445 433 598 457 445 522 469 595 542 550 537 448.08 674.06 31.00
11 779 563 389 473 614 506 445 449 503 529 535 539 488 371 398 468 449 420 454 548 572 578 730 931 619 873 611 704 816 656 ~ 567.06 930.86 30.00
12 430 373 375 330 362 377 365 384 585 554 390 317 391 370 418 ~ 414 452 ~ 341 552 475 754 ~ ~ ~ 350 362 418 390 452 422.35 754.49 26.00

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 multiples

total ind.

part of it in IHd multiples

max.
date

<=1/3 <=2/3 <=1.0 <=1.5 <=2.0 <=3.0 <=4.0 > 1/32/31.01.52.0 3.04.0

concentration classes in measurement units

part of above IHd multiples in meas. units

0- 1667 1668- 3333 3334- 5000 5001- 7500 7501-1000010001-1500015001-20000 over 20000 1667 3333 5000 7500100001500020000
ABS. 88 0 0 0 0 0 0 0 88 0 0 0 0 0 0 0 1026
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 0.06.1
ID 100 0 0 0 0 0 0 0 100
ABS. 87 0 0 0 0 0 0 0 87 0 0 0 0 0 0 0 575
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 24.5
ID 100 0 0 0 0 0 0 0 100
ABS. 89 0 0 0 0 0 0 0 89 0 0 0 0 0 0 0 602
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 17.9
ID 100 0 0 0 0 0 0 0 100
ABS. 87 0 0 0 0 0 0 0 87 0 0 0 0 0 0 0 931
REL100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.024.11
ID 100 0 0 0 0 0 0 0 100
Year
ABS. 351 0 0 0 0 0 0 0 351 0 0 0 0 0 0 0 1026
REL.100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 6.1
ID 100 0 0 0 0 0 0 0 100

Note:

1 frequency < 60 per quarter, or < 240 per annum
2 frequency < 30 per quarter, or < 120 per annum