Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:p-atmospheric pressure
Station:1011 - Usti n.L.-Kockov
Code:CZULCMUNK
Institution:Czech Hydrometeorological Institute
Region:Severocesky
District:Usti nad Labem
IHd: 150
Measure method:atmospheric pressure measurement
Unit:hPa

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 0.91 0.93 0.94 0.75 0.71 0.83 0.78 0.34 0.17 0.20 0.25 0.28 0.37 0.25 0.30 0.33 0.37 0.52 0.53 0.56 0.50 0.62 0.66 0.56 0.47 0.47 0.59 0.57 0.52 0.53 0.66 0.53 0.94 31.00
2 0.35 0.22 0.25 0.24 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ~ ~ ~ ~ ~ ~ ~ ~ 934 941 950 947 944 949 ~ ~ ~ 283.26 949.61 20.00
3 939 933 926 920 922 931 936 937 939 939 950 949 949 951 954 961 958 949 943 943 933 931 937 960 959 956 954 966 975 976 976 946.91 976.41 31.00
4 975 975 977 977 981 972 966 975 978 969 966 954 952 954 962 962 961 969 975 972 964 968 969 970 970 970 972 973 969 969 ~ 968.87 981.24 30.00
5 971 976 975 973 975 977 969 968 973 968 966 964 965 963 967 974 977 977 970 963 963 971 978 976 973 976 977 977 975 971 975 971.69 978.33 31.00
6 975 967 966 966 964 968 973 975 983 978 976 978 977 977 979 977 971 973 974 966 965 974 978 979 974 966 964 972 974 973 ~ 972.80 982.69 30.00
7 973 971 968 966 964 967 976 980 978 974 972 967 959 962 969 975 976 974 971 969 968 969 975 978 975 974 975 975 975 973 973 971.65 979.64 31.00
8 973 972 971 970 968 965 961 958 962 965 972 973 971 962 963 962 964 963 969 972 976 978 977 977 977 973 974 976 976 972 972 969.78 977.83 31.00
9 976 980 978 977 974 970 973 979 982 985 980 974 971 971 968 967 966 965 960 957 964 968 972 974 968 964 964 963 960 955 ~ 970.11 984.69 30.00
10 964 961 964 968 976 979 983 977 973 977 980 985 983 978 981 981 984 982 978 976 969 966 962 958 963 973 982 983 987 977 983 975.30 986.91 31.00
11 982 978 991 985 973 971 984 985 985 988 995 990 979 973 985 976 969 963 969 977 975 974 982 991 994 991 992 992 992 986 ~ 982.22 994.89 30.00
12 976 979 968 968 979 983 974 975 962 966 961 950 964 955 967 984 976 972 973 982 994 997 991 981 963 946 949 955 971 982 985 971.94 997.16 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. 45 0 0 0 0 0 0 37 82 37 37 37 37 37 37 37 976
REL. 54.8 0.0 0.0 0.0 0.0 0.0 0.0 45.1 100.0 45.1 45.1 45.1 45.1 45.1 45.1 45.131.3
ID 54 0 0 0 0 0 02820128256
ABS. 0 0 0 0 0 0 0 91 91 91 91 91 91 91 91 91 983
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 92 985
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 92 997
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. 45 0 0 0 0 0 0 312 357 312 312 312 312 312 312 312 997
REL. 12.6 0.0 0.0 0.0 0.0 0.0 0.0 87.3100.0 87.4 87.4 87.4 87.4 87.4 87.4 87.422.12
ID 12 0 0 0 0 0 05462154634

Note:

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