Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:p-atmospheric pressure
Station:1031 - Nadlesi
Code:CZSOCMNAD
Institution:CHMI
Region:Zapadocesky
District:Sokolov
IHd: 150
Measure method:atmospheric pressure measurement
Unit:hPa

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 929 917 917 919 917 928 930 936 941 943 940 936 929 932 933 924 936 923 912 931 946 943 940 937 944 944 936 932 935 930 936 932.16 945.65 31.00
2 932 923 927 931 935 939 935 942 943 944 941 941 944 942 937 927 945 946 940 939 932 935 944 944 948 942 929 924 ~ ~ ~ 937.51 947.61 28.00
3 930 929 925 916 928 928 919 919 937 939 930 933 935 934 936 937 939 942 944 940 942 943 943 945 944 937 933 932 930 931 927 933.75 944.90 31.00
4 922 918 913 916 920 920 912 917 915 908 913 914 919 924 913 913 907 912 925 929 931 932 928 929 928 920 914 918 919 920 ~ 918.91 931.99 30.00
5 920 918 919 920 921 923 934 938 937 934 931 934 936 936 933 932 934 936 934 930 926 930 928 923 920 922 924 923 924 926 925 928.08 937.80 31.00
6 927 927 931 933 932 928 926 932 928 920 917 922 930 926 925 928 934 936 936 937 934 932 931 928 928 929 927 931 931 926 ~ 929.08 937.35 30.00
7 924 927 928 929 924 922 919 921 924 925 923 922 922 925 927 927 927 928 931 930 929 933 931 933 933 930 924 924 923 924 930 926.38 932.87 31.00
8 930 932 935 936 939 938 936 933 934 935 933 929 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 934.09 938.89 12.00
9 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
10 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
11 ~ ~ ~ ~ ~ 928 934 929 921 915 924 922 917 907 917 924 932 930 932 940 944 937 930 928 926 926 926 926 924 935 ~ 927.00 943.76 25.00
12 939 936 926 912 910 919 930 937 936 930 930 928 928 932 929 935 936 925 915 914 926 933 933 932 930 921 914 921 926 926 926 926.94 939.28 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 90 948
REL. 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.025.2
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 91 91 91 91 91 91 91 91 91 938
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 8.5
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 43 431 43 43 43 43 43 43 43 939
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 5.8
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 56 561 56 56 56 56 56 56 56 944
REL 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.021.11
ID 0 0 0 0 0 0 06250062500
Year
ABS. 0 0 0 0 0 0 0 280 280 280 280 280 280 280 280 280 948
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 25.2
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