Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:CO-carbon monoxide
Station:1026 - Louny
Code:CZLNCMLOU
Institution:CHMI
Region:Severocesky
District:Louny
IHd: 5000
Measure method:IR corel. absorption spectrometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 944 856 284 330 331 462 591 295 349 801 861 1050 811 827 967 978 391 495 452 395 368 469 462 544 598 872 846 736 722 527 254 608.73 1050.44 31.00
2 374 605 491 845 1026 1005 783 486 791 779 681 398 296 379 447 399 268 785 654 599 848 942 558 522 625 626 447 322 ~ ~ ~ 606.41 1026.25 28.00
3 289 203 125 300 417 457 317 378 351 503 538 616 548 501 553 509 421 354 408 435 471 511 557 381 434 521 449 644 635 687 823 462.38 822.74 31.00
4 942 640 710 531 512 615 599 547 609 559 485 480 421 468 702 562 591 524 513 517 477 313 639 653 642 580 587 701 ~ ~ ~ 575.76 942.46 28.00
5 429 493 623 300 270 382 294 362 329 320 306 430 299 220 271 353 315 356 356 352 348 389 293 520 453 390 430 407 488 486 512 379.86 622.64 31.00
6 442 416 422 411 448 476 497 517 464 508 510 517 363 393 418 418 462 484 561 540 548 575 517 583 509 530 502 377 389 410 ~ 473.53 582.62 30.00
7 442 440 361 422 437 438 444 418 480 486 404 427 352 336 356 368 342 320 303 349 367 414 470 451 438 423 543 482 449 395 344 409.64 543.46 31.00
8 348 401 463 454 399 418 446 384 350 344 513 458 530 404 424 454 484 433 378 518 527 452 411 442 403 502 428 451 480 499 541 443.21 540.63 31.00
9 456 470 511 479 520 590 566 687 630 663 645 528 379 391 492 547 584 529 513 441 486 466 477 613 652 755 820 560 675 470 ~ 553.10 820.16 30.00
10 524 447 540 539 556 547 801 743 824 498 530 472 413 539 624 610 581 629 605 470 549 688 717 551 426 445 474 365 338 341 405 541.64 823.73 31.00
11 431 595 454 453 437 456 721 1018 988 1076 504 806 654 691 826 638 507 504 516 419 476 791 1064 1415 940 820 999 1253 774 773 ~ 733.21 1414.90 30.00
12 492 884 812 711 358 380 410 480 973 1199 740 724 401 551 545 553 1667 1300 709 561 387 663 1013 ~ ~ ~ ~ 811 854 683 661 723.07 1667.29 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 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. 90 0 0 0 0 0 0 0 90 0 0 0 0 0 0 0 1050
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 0.012.1
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 0 942
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 1.4
ID 100 0 0 0 0 0 0 0 100
ABS. 92 0 0 0 0 0 0 0 92 0 0 0 0 0 0 0 820
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 27.9
ID 100 0 0 0 0 0 0 0 100
ABS. 87 1 0 0 0 0 0 0 88 1 0 0 0 0 0 0 1667
REL 98.8 1.1 0.0 0.0 0.0 0.0 0.0 0.0100.0 1.1 0.0 0.0 0.0 0.0 0.0 0.017.12
ID 98 1 0 0 0 0 0 0 100
Year
ABS. 358 1 0 0 0 0 0 0 359 1 0 0 0 0 0 0 1667
REL. 99.7 0.2 0.0 0.0 0.0 0.0 0.0 0.0100.0 0.3 0.0 0.0 0.0 0.0 0.0 0.017.12
ID 99 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