Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:p-atmospheric pressure
Station:1322 - Plzen-Slovany
Code:CZPMPZPSL
Institution:Plzeň Municipal Authority
Region:Zapadocesky
District:Plzen-mesto
IHd: 150
Measure method:atmospheric pressure measurement
Unit:hPa

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 975 965 966 967 966 974 978 984 990 990 986 982 975 978 981 972 983 969 957 976 990 987 985 981 989 989 981 977 980 975 981 978.28 989.93 31.00
2 978 969 972 976 980 984 982 989 990 990 989 988 991 992 988 978 992 993 988 986 ~ ~ 990 992 994 990 978 971 ~ ~ ~ 985.07 994.35 26.00
3 977 978 973 965 976 976 968 966 983 986 976 979 982 981 983 984 986 990 992 985 988 990 989 991 989 982 980 979 977 979 976 980.86 992.04 31.00
4 971 967 963 967 970 969 962 963 961 956 958 960 964 970 961 958 954 ~ ~ 977 979 979 976 979 977 967 961 967 967 968 ~ 966.70 979.49 28.00
5 967 968 969 969 970 974 983 986 984 981 977 980 983 983 982 980 982 984 982 978 975 979 977 972 969 969 971 969 971 972 971 975.97 985.53 31.00
6 976 974 978 980 978 ~ ~ ~ 975 968 965 971 978 974 974 978 984 986 984 984 980 979 979 976 974 976 974 978 978 973 ~ 976.84 985.57 27.00
7 972 975 975 978 974 970 968 971 973 973 972 971 969 974 976 975 975 976 978 976 ~ ~ ~ 979 980 976 972 973 973 975 979 974.21 979.83 28.00
8 978 980 985 985 989 987 984 980 981 983 980 976 977 978 979 981 978 977 980 975 968 971 975 972 980 973 976 979 980 980 980 979.01 989.02 31.00
9 982 980 978 974 970 973 971 975 974 973 966 956 958 959 965 967 972 986 992 994 992 987 985 981 976 970 967 968 971 970 ~ 974.43 994.50 30.00
10 969 970 972 970 974 975 974 981 979 973 972 971 982 981 982 980 972 980 979 984 985 987 980 969 962 972 974 964 971 972 969 974.96 986.69 31.00
11 962 968 962 966 979 985 991 986 980 975 981 975 972 963 972 979 985 984 984 993 996 989 982 982 979 979 979 980 976 986 ~ 978.97 996.47 30.00
12 992 988 977 965 964 972 983 989 987 ~ 982 982 984 989 987 991 989 980 971 969 979 985 985 984 985 978 973 977 981 980 978 980.93 991.76 30.00

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 88 88 88 88 88 88 88 88 88 994
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 86 86 86 86 86 86 86 86 86 986
REL. 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 18.6
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 89 89 89 89 89 89 89 89 89 994
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 20.9
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 91 91 91 91 91 91 91 91 91 996
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 0 354 354 354 354 354 354 354 354 354 996
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