Detailed overview of ambient air pollution valuis from individual stations

771 - PHA1-nam. Republiky

Year: 1997
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 1625 1826 1321 1555 1228 1078 1647 2581 1388 1724 1594 989 1719 2874 2948 2270 1847 1850 1468 2706 1978 1626 2322 2595 1442 941 2063 1649 1688 1256 1524 1784.61 2948.05 31.00
2 1420 1502 2299 1487 1494 1429 2311 2019 1589 1489 1037 1011 827 1275 1119 835 1368 1230 1132 1182 943 1367 1461 1160 956 1076 1206 1456 ~ ~ ~ 1345.68 2310.52 28.00
3 1514 958 1297 1353 1874 1740 1632 2174 1786 2200 2231 2064 1351 1197 905 803 1196 956 1361 1104 1202 1230 765 1396 1554 1439 1087 885 1002 891 1593 1378.74 2230.55 31.00
4 1786 1748 1054 934 812 859 1392 953 1525 1101 607 750 739 759 823 894 1191 885 576 772 1093 1068 947 986 699 596 849 767 382 547 ~ 936.44 1785.60 30.00
5 819 876 974 669 629 526 624 665 587 754 851 628 433 1103 879 710 551 563 891 800 679 761 704 531 482 647 649 669 750 858 736 709.68 1103.01 31.00
6 651 876 789 852 595 889 645 595 816 811 794 1147 855 701 615 505 963 930 682 831 551 608 560 627 924 887 916 793 613 806 ~ 760.88 1147.34 30.00
7 1173 865 ~ 670 658 509 557 590 678 651 731 662 606 768 777 818 743 760 606 616 1138 901 1014 982 755 640 575 775 851 791 753 753.80 1172.53 30.00
8 713 605 583 904 727 657 639 768 685 671 722 785 1080 1320 893 638 629 1135 1093 1074 1100 1079 901 990 1118 1287 1348 862 796 812 1065 892.82 1347.79 31.00
9 1064 1282 883 1132 893 789 551 633 624 621 793 1148 643 727 1028 1114 1397 1757 942 846 1124 1530 1321 1225 1457 1571 1183 1417 1828 1377 ~ 1096.61 1828.24 30.00
10 963 790 860 709 1178 2023 1591 1212 778 804 597 790 862 939 1016 1146 1165 1362 1463 1237 1269 1530 1117 983 759 952 1388 1531 1796 1445 1189 1143.29 2022.50 31.00
11 1818 1782 1164 1093 1703 3215 4845 1919 1697 2436 2087 1735 1297 1466 1145 939 1186 870 1146 1873 2665 1595 1787 1188 1368 1629 1518 1571 1765 1665 ~ 1738.97 4844.90 30.00
12 1204 1282 1457 1058 ~ ~ ~ 1446 2153 1225 1305 1027 882 1011 830 967 794 903 1408 1191 1808 2593 1848 946 680 723 883 1153 1051 1416 2135 1263.51 2592.68 28.00

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. 65 25 0 0 0 0 0 0 90 25 0 0 0 0 0 0 2948
REL. 72.2 27.7 0.0 0.0 0.0 0.0 0.0 0.0 100.0 27.8 0.0 0.0 0.0 0.0 0.0 0.015.1
ID 72 27 0 0 0 0 0 0 100
ABS. 89 2 0 0 0 0 0 0 91 2 0 0 0 0 0 0 1786
REL. 97.8 2.1 0.0 0.0 0.0 0.0 0.0 0.0 100.0 2.2 0.0 0.0 0.0 0.0 0.0 0.0 1.4
ID 97 2 0 0 0 0 0 0 100
ABS. 89 2 0 0 0 0 0 0 91 2 0 0 0 0 0 0 1828
REL. 97.8 2.1 0.0 0.0 0.0 0.0 0.0 0.0100.0 2.2 0.0 0.0 0.0 0.0 0.0 0.0 29.9
ID 97 2 0 0 0 0 0 0 100
ABS. 68 20 1 0 0 0 0 0 89 21 1 0 0 0 0 0 4845
REL 76.4 22.4 1.1 0.0 0.0 0.0 0.0 0.0100.0 23.6 1.1 0.0 0.0 0.0 0.0 0.0 7.11
ID 76 22 1 0 0 0 0 0 100
Year
ABS. 311 49 1 0 0 0 0 0 361 50 1 0 0 0 0 0 4845
REL. 86.1 13.5 0.2 0.0 0.0 0.0 0.0 0.0100.0 13.9 0.3 0.0 0.0 0.0 0.0 0.0 7.11
ID 86 13 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