Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:p-atmospheric pressure
Station:1013 - Sneznik
Code:CZDCCMSNE
Institution:Czech Hydrometeorological Institute
Region:Ustecky
District:Decin
IHd: 150
Measure method:atmospheric pressure measurement
Unit:hPa

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 943 945 952 951 950 944 946 950 952 950 947 947 947 943 936 938 939 936 932 929 928 927 922 920 932 926 925 933 938 935 934 938.61 952.33 31.00
2 940 945 938 937 925 924 935 933 924 925 923 925 933 944 947 943 935 932 926 908 927 917 912 921 920 914 917 921 ~ ~ ~ 928.12 947.07 28.00
3 926 927 933 934 927 921 927 938 927 935 935 933 930 930 934 934 931 924 920 927 929 932 939 945 945 945 947 946 942 937 935 933.47 947.42 31.00
4 936 937 933 927 929 933 938 937 935 932 925 916 918 922 927 930 933 935 938 946 951 947 941 940 935 922 926 924 926 929 ~ 932.27 950.84 30.00
5 926 925 926 926 934 939 938 931 928 926 926 932 934 937 943 937 930 932 937 934 928 924 923 929 931 928 924 926 934 940 941 931.34 942.53 31.00
6 941 938 931 928 ~ 920 919 925 926 929 935 935 933 935 935 938 939 938 940 937 939 938 937 941 943 937 929 931 936 932 ~ 933.97 943.14 29.00
7 926 927 925 932 933 933 936 934 929 929 940 938 933 936 934 929 926 930 934 934 930 933 930 929 932 936 940 940 936 930 926 932.19 940.18 31.00
8 928 933 932 930 931 929 930 930 924 921 919 919 ~ ~ 936 936 935 935 937 934 933 935 936 938 939 936 931 932 935 937 936 932.00 939.16 29.00
9 944 944 936 932 932 934 933 933 932 935 941 942 939 931 934 933 932 933 933 934 930 925 929 932 930 930 938 945 947 944 ~ 935.26 946.58 30.00
10 942 941 937 938 931 926 931 931 933 932 931 929 930 928 928 920 918 924 931 933 920 915 920 929 921 929 923 938 934 933 935 929.36 942.07 31.00
11 933 931 925 931 942 935 925 923 913 923 921 927 919 912 915 915 930 929 925 929 918 917 927 927 924 931 935 931 929 931 ~ 925.83 941.67 30.00
12 927 923 929 931 937 941 942 945 945 943 943 932 940 938 934 930 934 943 944 933 933 927 934 935 935 928 919 917 917 915 929 932.96 945.36 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 90 952
REL. 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.03.1
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 90 90 90 90 90 90 90 90 90 951
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 21.4
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 90 90 90 90 90 90 90 90 90 947
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 29.9
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 92 92 92 92 92 92 92 92 92 945
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 8.12
ID 0 0 0 0 0 0 06250062500
Year
ABS. 0 0 0 0 0 0 0 362 362 362 362 362 362 362 362 362 952
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 3.1
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