Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:CO-carbon monoxide
Station:1014 - Decin
Code:CZDCCMDEC
Institution:CHMI
Region:Severocesky
District:Decin
IHd: 5000
Measure method:IR corel. absorption spectrometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 900 752 524 365 402 402 867 548 421 1130 751 651 625 727 826 1431 709 471 687 671 391 427 428 603 742 803 1080 1201 1132 624 571 705.25 1431.13 31.00
2 535 790 607 954 1260 2308 915 805 1362 1589 1529 360 479 1028 787 616 671 1110 699 845 1217 1462 666 928 739 948 557 410 ~ ~ ~ 934.87 2307.64 28.00
3 471 474 440 392 388 583 498 385 494 577 460 551 410 384 476 460 420 420 407 450 435 513 638 670 653 651 796 821 599 582 807 526.01 820.65 31.00
4 823 621 597 432 466 664 378 456 511 402 619 379 522 580 511 651 630 446 551 697 614 549 453 498 466 331 320 397 347 763 ~ 522.45 822.74 30.00
5 393 409 466 351 556 538 537 540 501 410 421 447 361 376 442 430 363 469 503 398 338 323 398 423 549 444 496 417 442 473 529 443.40 556.16 31.00
6 457 460 529 451 479 452 419 405 432 392 344 333 352 334 431 439 365 399 492 467 426 407 397 516 457 502 510 312 444 380 ~ 425.96 528.84 30.00
7 408 388 325 302 302 321 314 338 414 465 443 472 343 372 449 378 449 404 391 540 442 529 505 511 455 500 547 514 440 363 403 420.22 547.17 31.00
8 377 281 348 393 385 363 456 472 309 307 435 450 437 431 549 493 537 550 418 533 420 360 371 358 459 487 398 463 384 480 546 427.45 550.09 31.00
9 445 513 440 440 457 581 651 760 420 525 539 575 561 394 479 694 581 507 582 524 473 515 584 700 754 803 1120 776 856 528 ~ 592.54 1119.59 30.00
10 404 430 481 476 407 261 743 785 649 338 367 511 513 776 ~ ~ ~ ~ 819 700 545 709 860 627 680 686 426 346 391 384 458 547.14 860.12 27.00
11 435 720 964 690 546 465 1016 1070 1127 1360 643 866 560 677 919 542 447 553 570 384 664 1502 1672 1274 804 932 972 1241 838 564 ~ 833.90 1672.25 30.00
12 492 990 873 717 533 385 387 572 1652 1648 965 975 562 1272 2317 551 1627 1762 724 541 545 1142 699 649 577 505 564 797 1303 967 626 900.64 2316.83 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 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. 89 1 0 0 0 0 0 0 90 1 0 0 0 0 0 0 2308
REL. 98.8 1.1 0.0 0.0 0.0 0.0 0.0 0.0 100.0 1.1 0.0 0.0 0.0 0.0 0.0 0.06.2
ID 98 1 0 0 0 0 0 0 100
ABS. 91 0 0 0 0 0 0 0 91 0 0 0 0 0 0 0 823
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 1120
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. 85 3 0 0 0 0 0 0 88 3 0 0 0 0 0 0 2317
REL 96.5 3.4 0.0 0.0 0.0 0.0 0.0 0.0100.0 3.4 0.0 0.0 0.0 0.0 0.0 0.015.12
ID 96 3 0 0 0 0 0 0 100
Year
ABS. 357 4 0 0 0 0 0 0 361 4 0 0 0 0 0 0 2317
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 0.015.12
ID 98 1 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