Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:CO-carbon monoxide
Station: 771 - Pha1-nam. Republiky
Code:CZ01CMREP
Institution:CHMI
Region:Hlavni mesto Praha
District:Praha 1
IHd: 5000
Measure method:IR corel. absorption spectrometry
Unit:ug/m^3

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 1608 1558 791 745 856 903 1133 723 837 1864 1886 1396 1327 1733 2493 1646 1002 1176 1072 997 785 1081 988 936 1139 2471 2439 1468 1435 993 964 1304.82 2493.19 31.00
2 937 1210 840 1653 2031 1658 870 841 1111 1240 1048 749 934 818 772 785 888 1209 1070 1400 2175 2500 1341 1098 1423 1297 914 797 ~ ~ ~ 1200.37 2500.00 28.00
3 815 870 946 972 877 1041 861 800 1048 1257 1214 1322 1161 1190 1598 2419 1403 1398 1133 621 512 583 779 796 1043 1165 1048 1094 1012 1287 1457 1087.84 2419.25 31.00
4 1389 926 1066 597 811 1091 966 1026 1072 985 1193 833 1040 968 1217 1390 969 940 854 959 998 769 846 865 722 538 581 619 594 680 ~ 916.90 1389.64 30.00
5 711 804 875 781 837 881 1127 850 735 859 877 1116 664 631 745 599 632 820 834 926 1135 1010 1094 1062 1127 1118 1292 932 1047 1071 1376 921.47 1376.12 31.00
6 999 1059 1026 793 837 694 682 871 889 726 732 638 582 684 713 618 767 791 793 652 658 644 593 773 751 675 586 483 686 594 ~ 732.95 1058.93 30.00
7 483 548 489 431 429 485 652 612 654 667 482 481 534 570 654 739 651 470 688 1178 726 755 817 697 580 556 857 623 ~ ~ 700 627.82 1178.34 29.00
8 584 554 727 696 675 805 885 807 650 809 1183 1004 970 818 871 886 1084 886 879 1169 883 778 730 818 791 945 659 680 647 670 871 819.80 1182.77 31.00
9 894 824 713 821 645 681 771 866 785 787 1100 639 687 646 704 826 811 710 900 781 742 858 939 1093 1284 1166 1512 1142 1165 863 ~ 878.58 1512.44 30.00
10 751 898 805 742 1014 1018 1258 1248 1287 773 770 960 1056 999 1039 1143 841 959 1230 1082 1050 1120 1070 957 765 1059 640 569 678 567 600 933.70 1286.70 31.00
11 526 808 788 818 680 773 1500 1270 1459 1476 932 1101 1233 1013 1057 1091 1041 993 816 463 549 836 1501 1534 823 1033 1304 1631 973 1076 ~ 1036.64 1631.23 30.00
12 674 1146 1132 953 553 610 798 895 1403 1918 1842 2163 597 1091 1446 1011 1546 1959 798 987 1144 1214 1323 1122 826 790 842 1676 1929 1270 958 1181.15 2162.53 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. 80 10 0 0 0 0 0 0 90 10 0 0 0 0 0 0 2500
REL. 88.8 11.1 0.0 0.0 0.0 0.0 0.0 0.0 100.0 11.1 0.0 0.0 0.0 0.0 0.0 0.022.2
ID 88 11 0 0 0 0 0 0 100
ABS. 91 0 0 0 0 0 0 0 91 0 0 0 0 0 0 0 1390
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 16.4
ID 100 0 0 0 0 0 0 0 100
ABS. 90 0 0 0 0 0 0 0 90 0 0 0 0 0 0 0 1512
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. 86 6 0 0 0 0 0 0 92 6 0 0 0 0 0 0 2163
REL 93.4 6.5 0.0 0.0 0.0 0.0 0.0 0.0100.0 6.5 0.0 0.0 0.0 0.0 0.0 0.012.12
ID 93 6 0 0 0 0 0 0 100
Year
ABS. 347 16 0 0 0 0 0 0 363 16 0 0 0 0 0 0 2500
REL. 95.5 4.4 0.0 0.0 0.0 0.0 0.0 0.0100.0 4.4 0.0 0.0 0.0 0.0 0.0 0.0 22.2
ID 95 4 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