Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:p-atmospheric pressure
Station:1031 - Nadlesi
Code:CZSOCMNAD
Institution:Czech Hydrometeorological Institute
Region:Zapadocesky
District:Sokolov
IHd: 150
Measure method:atmospheric pressure measurement
Unit:hPa

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 926 922 916 920 923 921 911 908 913 919 912 917 913 915 918 916 923 932 934 933 933 933 930 931 920 913 910 912 932 939 943 922.21 942.67 31.00
2 942 943 938 923 912 913 906 911 910 919 929 936 938 936 930 915 916 926 922 920 908 905 913 920 929 927 921 928 ~ ~ ~ 922.70 942.65 28.00
3 920 913 904 898 903 911 917 915 914 915 926 925 925 926 931 938 936 926 923 925 914 909 916 918 909 906 904 915 923 925 926 917.92 937.65 31.00
4 924 923 925 926 930 922 915 923 927 919 915 903 902 902 911 911 911 917 922 918 913 919 918 919 919 920 921 923 919 919 ~ 917.88 929.77 30.00
5 920 924 924 919 921 923 918 918 923 919 916 915 915 913 916 923 923 923 918 913 912 920 927 925 923 925 926 927 925 921 924 920.63 927.42 31.00
6 925 918 918 916 914 918 922 925 930 926 925 927 926 926 928 927 922 922 924 917 915 924 927 928 923 916 915 923 925 924 ~ 922.46 930.32 30.00
7 924 922 920 917 915 919 926 929 928 923 921 917 911 913 919 924 926 924 922 920 920 921 924 927 924 924 925 925 924 923 922 921.97 929.30 31.00
8 923 922 921 919 919 916 912 910 914 917 921 922 920 912 913 912 913 913 919 922 924 926 925 925 925 922 924 925 924 922 921 919.53 926.03 31.00
9 925 927 926 924 922 919 922 927 930 932 927 922 919 919 917 916 915 914 909 906 913 917 921 923 916 913 913 912 909 905 ~ 918.73 932.27 30.00
10 912 910 912 916 923 927 930 924 922 925 927 932 931 926 928 930 932 927 923 920 916 913 909 904 911 921 928 929 932 922 928 922.26 932.45 31.00
11 927 925 936 929 917 917 928 929 929 930 937 934 925 920 929 921 916 910 915 922 920 920 928 934 937 935 936 935 937 932 ~ 926.94 937.15 30.00
12 921 925 914 916 928 928 919 917 906 911 907 898 911 903 915 930 923 918 920 929 939 940 935 925 908 894 898 905 919 929 931 918.16 939.81 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 90 943
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 91 930
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 9.6
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 92 92 92 92 92 92 92 92 92 932
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 92 940
REL 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.022.12
ID 0 0 0 0 0 0 06250062500
Year
ABS. 0 0 0 0 0 0 0 365 365 365 365 365 365 365 365 365 943
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