Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:p-atmospheric pressure
Station:1002 - Tusimice
Code:CZCVCMTUS
Institution:CHMI
Region:Severocesky
District:Chomutov
IHd: 150
Measure method:atmospheric pressure measurement
Unit:hPa

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 968 957 956 957 956 964 968 974 980 982 979 975 968 971 973 964 974 961 949 969 983 981 978 975 983 983 975 970 973 967 975 970.55 983.30 31.00
2 973 961 964 970 973 976 973 981 980 981 979 978 981 982 978 967 984 984 979 978 972 974 982 983 986 981 968 962 ~ ~ ~ 976.05 986.00 28.00
3 968 968 963 955 966 966 958 958 976 979 970 972 973 973 975 975 978 982 984 978 981 983 983 985 983 976 972 972 971 972 968 972.91 984.52 31.00
4 963 958 954 958 961 961 953 954 954 949 950 952 957 962 954 951 947 953 964 968 971 972 969 970 969 960 954 958 959 961 ~ 958.87 972.47 30.00
5 960 959 960 961 961 964 974 978 977 974 970 972 977 976 974 973 975 977 974 971 967 971 969 964 960 961 964 962 964 965 964 968.23 977.62 31.00
6 968 966 970 972 971 966 964 972 966 960 957 962 970 966 964 968 975 976 976 976 971 971 970 968 966 968 965 969 970 965 ~ 968.27 976.33 30.00
7 964 967 967 969 964 961 959 962 963 964 962 961 960 965 967 967 966 967 969 967 967 972 969 971 972 969 ~ 963 962 963 969 965.61 972.02 30.00
8 969 964 975 975 979 977 974 970 973 974 971 967 967 969 970 972 969 968 972 966 957 961 965 961 970 964 967 969 971 971 971 969.30 978.69 31.00
9 973 972 969 965 961 963 963 947 700 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 934.73 973.40 9.00
10 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
11 ~ ~ 951 955 969 976 982 977 970 965 971 966 963 954 962 970 976 976 977 987 991 985 976 973 970 970 971 973 969 980 ~ 971.67 991.25 28.00
12 987 983 970 956 953 963 976 983 981 977 977 975 974 980 977 983 980 970 960 960 971 977 978 977 976 968 963 970 975 973 972 972.98 986.91 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 90 986
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 91 978
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 70 70 70 70 70 70 70 70 70 979
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 5.8
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 59 591 59 59 59 59 59 59 59 991
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 0 310 310 310 310 310 310 310 310 310 991
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

Note:

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