Detailed overview of ambient air pollution valuis from individual stations


Year: 2000
Pollutant:p-atmospheric pressure
Station:1018 - Frydlant-Udoli
Code:CZLBCMFRU
Institution:Czech Hydrometeorological Institute
Region:Severocesky
District:Liberec
IHd: 150
Measure method:atmospheric pressure measurement
Unit:hPa

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 965 969 964 960 964 963 965 964 967 976 977 971 964 967 971 967 951 952 964 956 957 951 959 964 968 967 964 956 941 952 959 962.44 977.43 31.00
2 959 957 969 970 968 962 956 947 957 962 969 963 958 960 953 944 949 949 949 963 968 965 967 963 964 972 969 960 953 ~ ~ 960.23 971.71 29.00
3 947 958 948 957 968 966 960 955 954 962 954 967 965 955 959 961 961 966 968 966 963 959 957 957 957 952 950 956 954 947 949 958.03 968.03 31.00
4 950 950 941 940 951 966 967 963 958 951 941 941 945 947 945 948 951 954 955 959 960 958 954 953 958 958 958 957 961 963 ~ 953.53 967.15 30.00
5 962 964 962 961 961 961 961 961 961 961 961 966 968 968 964 960 955 952 952 953 953 957 962 960 959 959 958 953 957 958 963 959.70 967.72 31.00
6 967 964 963 961 958 960 963 965 962 959 959 969 967 964 962 966 971 969 965 961 959 960 961 957 958 961 960 959 959 956 ~ 962.20 970.99 30.00
7 955 957 953 951 957 961 955 954 949 944 946 954 954 948 951 955 959 959 958 960 961 960 958 952 952 954 959 955 956 964 966 955.43 966.11 31.00
8 964 961 962 963 964 962 962 963 964 960 959 961 963 964 962 960 958 960 959 957 958 964 966 964 964 963 962 963 963 959 954 961.58 966.28 31.00
9 951 949 951 960 963 956 958 966 968 965 962 958 957 960 960 953 954 956 955 956 959 968 969 966 966 966 962 957 954 952 ~ 959.27 969.11 30.00
10 951 956 965 964 959 963 964 961 953 944 941 950 957 960 956 959 966 967 966 968 970 971 966 961 954 955 960 959 957 947 948 958.62 971.35 31.00
11 951 950 947 955 955 937 937 945 955 962 964 954 948 952 959 958 954 958 950 952 953 957 951 953 952 949 961 961 959 963 ~ 953.32 963.95 30.00
12 961 962 963 963 963 961 957 956 960 959 963 961 956 948 944 948 957 962 968 971 970 963 953 946 942 939 939 940 944 946 957 955.53 971.36 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 91 91 91 91 91 91 91 91 91 977
REL. 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.011.1
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 91 91 91 91 91 91 91 91 91 971
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 17.6
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 92 92 92 92 92 92 92 92 92 969
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 23.9
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 92 92 92 92 92 92 92 92 92 971
REL 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.020.12
ID 0 0 0 0 0 0 06250062500
Year
ABS. 0 0 0 0 0 0 0 366 366 366 366 366 366 366 366 366 977
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 11.1
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