Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:p-atmospheric pressure
Station:1004 - Flaje
Code:CZMOCMFLA
Institution:Czech Hydrometeorological Institute
Region:Severocesky
District:Most
IHd: 150
Measure method:atmospheric pressure measurement
Unit:hPa

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 896 891 887 895 900 895 884 878 883 890 881 885 882 884 890 891 898 905 905 906 905 905 902 902 895 886 880 882 902 910 914 893.79 913.68 31.00
2 909 912 906 889 874 876 869 874 876 884 897 905 906 903 897 878 877 892 889 889 875 868 876 884 895 894 894 900 ~ ~ ~ 888.84 911.58 28.00
3 889 885 877 869 870 878 885 886 886 889 899 899 901 904 908 912 909 900 897 897 886 883 887 893 885 882 881 892 900 902 903 891.43 911.85 31.00
4 901 901 903 904 908 899 891 900 904 896 891 878 876 876 885 883 881 891 897 893 888 895 895 897 897 897 898 900 896 896 ~ 893.92 908.07 30.00
5 898 902 902 898 900 902 895 895 901 897 894 892 892 889 892 900 903 903 896 883 881 887 894 892 890 893 894 895 893 888 892 894.62 902.84 31.00
6 893 886 885 883 882 885 890 892 898 894 893 894 893 894 896 895 889 890 892 883 882 889 895 895 890 883 883 890 892 891 ~ 889.95 897.75 30.00
7 891 889 887 885 883 886 893 897 897 892 890 885 878 880 886 892 893 892 889 887 886 886 891 895 893 892 893 893 893 891 891 889.61 897.19 31.00
8 891 890 889 887 886 884 880 877 881 883 889 889 887 879 880 880 881 880 886 889 892 893 892 893 893 890 892 894 893 889 889 887.06 893.58 31.00
9 892 896 895 893 890 886 890 895 899 901 896 891 887 887 885 884 883 882 877 874 880 885 888 891 884 881 881 879 877 871 ~ 886.68 901.32 30.00
10 879 878 879 883 890 893 896 891 888 892 895 898 897 892 893 893 895 892 888 885 880 878 875 871 878 888 896 896 898 888 894 888.40 898.48 31.00
11 892 891 901 894 883 882 892 894 895 895 901 898 886 881 890 880 875 869 875 882 880 880 888 896 900 898 898 899 898 891 ~ 889.40 901.05 30.00
12 883 886 875 876 887 888 880 881 872 874 869 862 871 862 874 889 882 878 879 888 899 901 895 885 868 852 857 863 878 889 891 878.51 900.66 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- 50 51- 100 101- 150 151- 225 226- 300 301- 450 451- 600 over 600 50 100 150 225 300 450 600
ABS. 0 0 0 0 0 0 0 90 90 90 90 90 90 90 90 90 914
REL. 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.031.1
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 91 91 91 91 91 91 91 91 91 908
REL. 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 5.4
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 92 92 92 92 92 92 92 92 92 901
REL. 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 10.9
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 92 92 92 92 92 92 92 92 92 901
REL 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.011.11
ID 0 0 0 0 0 0 06250062500
Year
ABS. 0 0 0 0 0 0 0 365 365 365 365 365 365 365 365 365 914
REL. 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 31.1
ID 0 0 0 0 0 0 06250062500

Note:

1 frequency < 60 per quarter, or < 240 per annum
2 frequency < 30 per quarter, or < 120 per annum