Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:CO-carbon monoxide
Station:1323 - Plzen-Bory
Code:CZPMPZPLB
Institution:Mun. Authority of the town Plzen
Region:Zapadocesky
District:Plzen-mesto
IHd: 5000
Measure method:IR corel. absorption spectrometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 891 1027 638 478 673 1239 647 426 531 663 696 518 423 330 427 635 692 694 791 817 706 998 639 678 491 518 493 632 520 556 648 648.80 1238.76 31.00
2 636 605 497 388 408 339 409 570 1039 739 651 614 492 627 702 381 259 525 512 659 456 432 438 494 416 623 727 570 ~ ~ ~ 543.10 1039.44 28.00
3 371 408 457 621 365 536 670 520 389 627 678 864 822 928 646 712 797 933 692 395 340 460 436 559 881 790 687 451 580 554 780 611.34 933.19 31.00
4 765 518 475 334 493 333 348 582 428 414 341 314 377 386 225 427 421 686 717 611 628 240 511 531 657 603 579 803 680 647 ~ 502.52 802.93 30.00
5 430 574 493 393 371 380 366 462 428 432 327 390 503 170 59 295 190 ~ ~ ~ 387 ~ ~ ~ 451 315 398 157 169 202 374 348.57 573.72 25.00
6 417 441 404 381 357 368 420 472 323 273 ~ ~ ~ 413 ~ 499 460 412 352 319 386 288 425 445 376 347 397 401 360 360 ~ 388.27 498.63 26.00
7 395 415 355 375 ~ ~ ~ ~ 368 275 324 388 226 ~ 147 213 206 277 ~ 317 363 268 316 214 277 312 295 243 274 364 236 297.66 414.68 25.00
8 250 318 581 443 613 ~ 263 ~ 328 283 307 314 250 239 178 253 263 330 295 258 208 325 371 534 337 340 509 453 387 296 342 340.29 612.60 29.00
9 297 381 409 362 268 270 305 727 563 637 447 467 565 409 580 429 552 327 440 368 442 342 503 534 651 452 545 ~ 311 313 ~ 444.67 727.24 29.00
10 358 345 425 467 376 320 336 345 296 296 347 516 828 542 701 721 747 604 579 545 666 468 697 494 580 415 429 662 711 718 574 519.61 827.54 31.00
11 1154 803 652 621 949 319 ~ ~ 581 529 416 679 506 395 827 608 514 552 754 690 874 742 961 1055 633 1196 707 1017 846 750 ~ 726.09 1196.18 28.00
12 449 510 472 441 482 514 410 416 527 710 608 501 501 447 568 517 548 484 571 617 775 888 900 490 480 326 406 485 487 470 ~ 533.31 899.76 30.00

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 1239
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. 81 0 0 0 0 0 0 0 81 0 0 0 0 0 0 0 803
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 28.4
ID 100 0 0 0 0 0 0 0 100
ABS. 83 0 0 0 0 0 0 0 83 0 0 0 0 0 0 0 727
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 8.9
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 1196
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 0.026.11
ID 100 0 0 0 0 0 0 0 100
Year
ABS. 343 0 0 0 0 0 0 0 343 0 0 0 0 0 0 0 1239
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