Detailed overview of ambient air pollution valuis from individual stations

Year: 2002
Pollutant:p-atmospheric pressure
Station:1018 - Frydlant-Udoli
Code:CZLBCMFRU
Institution:Czech Hydrometeorological Institute
Region:Liberecky
District:Liberec
IHd: 150
Measure method:atmospheric pressure measurement
Unit:hPa

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 968 971 979 977 976 970 973 976 977 975 973 973 973 970 963 964 966 963 959 956 954 953 950 947 959 953 951 958 963 961 960 964.86 978.68 31.00
2 966 970 963 963 952 951 961 959 950 952 950 951 959 970 973 970 962 958 953 937 954 946 940 949 948 942 945 949 ~ ~ ~ 955.08 973.19 28.00
3 954 955 959 961 955 948 953 964 954 961 962 960 957 958 961 961 957 952 948 954 956 959 965 971 971 971 973 973 969 964 962 960.20 973.48 31.00
4 963 964 961 955 956 960 965 964 962 959 953 944 945 948 954 957 960 962 964 971 975 972 967 966 961 950 954 951 953 957 ~ 959.13 975.07 30.00
5 954 953 953 953 960 965 965 960 957 954 954 958 960 963 968 963 957 959 962 961 956 953 951 956 958 954 952 952 960 966 967 958.18 967.97 31.00
6 966 964 958 956 951 949 947 952 953 955 961 962 960 961 961 964 966 964 965 963 965 964 963 966 969 964 956 957 961 959 ~ 960.07 968.54 30.00
7 954 954 952 958 960 959 962 961 957 956 966 964 960 962 961 956 953 957 961 960 956 960 957 955 958 962 966 966 962 957 954 958.97 966.39 31.00
8 955 960 959 957 958 956 957 957 952 949 947 946 956 962 962 963 962 962 964 961 960 961 963 964 965 963 959 959 962 963 963 958.96 965.49 31.00
9 969 970 964 959 959 961 960 961 960 962 967 968 964 957 959 959 958 958 960 960 957 951 956 959 956 956 963 970 972 970 ~ 961.47 971.64 30.00
10 968 966 963 963 957 952 958 958 960 959 959 957 958 955 954 948 945 952 958 961 948 943 947 957 948 955 949 964 961 960 962 956.35 967.72 31.00
11 960 958 954 959 969 963 953 952 941 952 949 955 946 941 943 943 957 957 953 957 948 946 955 956 952 959 962 959 957 959 ~ 953.83 969.11 30.00
12 956 952 957 959 964 968 970 973 973 972 972 968 969 967 963 959 962 970 971 961 961 957 963 964 963 956 948 946 947 945 958 961.72 973.43 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 90 979
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 91 91 91 91 91 91 91 91 91 975
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 92 92 92 92 92 92 92 92 92 972
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 92 973
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 9.12
ID 0 0 0 0 0 0 06250062500
Year
ABS. 0 0 0 0 0 0 0 365 365 365 365 365 365 365 365 365 979
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