Detailed overview of ambient air pollution valuis from individual stations

774 - PHA4-Libus

Year: 1997
Pollutant:CO-carbon monoxide
Station: 774 - PHA4-Libus
Code:CZ04CMLIB
Institution:CHMI
Region:Hlavni mesto Praha
District:Praha 4
IHd: 5000
Measure method:IR corel. absorption spectrometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 1794 1524 1104 1327 1075 971 1425 1949 1274 1464 1385 1082 1608 2359 2283 1961 2298 1760 1411 2072 ~ 1246 1846 1989 1573 1052 1402 1115 1048 882 713 1499.67 2359.11 30.00
2 739 1042 1149 640 607 536 681 816 704 562 587 560 520 662 618 619 721 549 573 519 488 666 590 612 472 462 469 546 ~ ~ ~ 632.47 1148.83 28.00
3 776 599 563 588 908 1062 797 1083 992 1094 1036 904 753 657 679 633 707 559 598 585 655 539 361 566 706 581 454 277 354 432 653 682.38 1094.48 31.00
4 806 801 503 370 464 437 658 531 765 543 406 447 534 497 394 439 425 312 256 507 583 436 370 332 357 488 565 326 345 421 ~ 477.32 806.30 30.00
5 746 655 760 551 ~ ~ ~ 565 411 430 449 609 604 578 527 549 483 442 502 ~ 469 519 449 467 465 513 428 458 411 440 499 517.75 760.19 27.00
6 479 551 555 571 546 543 446 440 485 555 539 594 372 363 408 452 507 509 458 432 436 488 379 367 662 481 599 606 511 434 ~ 492.28 661.98 30.00
7 263 259 364 363 361 262 293 301 368 406 333 336 310 360 399 456 414 438 347 362 465 427 433 461 371 281 290 313 340 398 380 359.82 464.77 31.00
8 411 428 448 ~ 512 497 493 471 495 463 508 502 585 460 514 454 462 691 622 646 593 569 ~ ~ ~ 670 ~ ~ 298 368 478 505.52 691.28 25.00
9 486 562 565 454 398 411 312 359 305 349 422 463 486 496 549 567 605 713 515 553 659 721 601 568 635 614 590 715 564 597 ~ 527.81 720.60 30.00
10 576 448 502 501 588 583 687 547 388 343 333 405 400 476 571 702 564 642 733 730 796 878 703 584 541 581 936 1032 941 705 636 614.57 1031.70 31.00
11 ~ ~ 545 684 1155 2346 1688 1097 1092 669 1201 919 847 910 734 801 809 539 777 1247 1645 1201 1500 1315 1050 1328 1246 1245 964 1227 ~ 1099.23 2345.86 28.00
12 1204 924 796 607 660 617 781 847 1201 504 541 538 465 1047 505 641 534 639 1038 777 1445 1960 1101 530 433 388 442 469 427 556 1422 775.50 1960.39 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. 79 10 0 0 0 0 0 0 89 10 0 0 0 0 0 0 2359
REL. 88.7 11.2 0.0 0.0 0.0 0.0 0.0 0.0 100.0 11.2 0.0 0.0 0.0 0.0 0.0 0.014.1
ID 88 11 0 0 0 0 0 0 100
ABS. 87 0 0 0 0 0 0 0 87 0 0 0 0 0 0 0 806
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. 86 0 0 0 0 0 0 0 86 0 0 0 0 0 0 0 721
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 22.9
ID 100 0 0 0 0 0 0 0 100
ABS. 87 3 0 0 0 0 0 0 90 3 0 0 0 0 0 0 2346
REL 96.6 3.3 0.0 0.0 0.0 0.0 0.0 0.0100.0 3.3 0.0 0.0 0.0 0.0 0.0 0.0 6.11
ID 96 3 0 0 0 0 0 0 100
Year
ABS. 339 13 0 0 0 0 0 0 352 13 0 0 0 0 0 0 2359
REL. 96.3 3.6 0.0 0.0 0.0 0.0 0.0 0.0100.0 3.7 0.0 0.0 0.0 0.0 0.0 0.0 14.1
ID 96 3 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

Detailed overview of ambient air pollution valuis from individual stations - selection station