Detailed overview of ambient air pollution valuis from individual stations

Year: 2001
Pollutant:p-atmospheric pressure
Station:1140 - Beroun
Code:CZBECMBER
Institution:Czech Hydrometeorological Institute
Region:Stredocesky
District:Beroun
IHd: 150
Measure method:atmospheric pressure measurement
Unit:hPa

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 982 979 983 980 973 978 986 985 988 988 995 1001 1008 1007 1003 999 996 995 997 998 998 987 985 981 981 979 973 977 988 993 993 988.95 1007.83 31.00
2 993 988 979 977 976 983 981 978 990 1008 1009 998 1001 1005 1003 999 1004 1004 999 994 986 975 973 981 982 978 976 970 ~ ~ ~ 988.93 1008.83 28.00
3 970 970 967 971 993 996 989 979 980 980 982 976 975 980 983 981 973 975 980 986 977 974 978 972 967 984 989 985 979 988 997 979.88 997.41 31.00
4 997 991 989 981 987 981 977 986 990 983 988 991 993 991 978 983 984 977 980 978 974 975 977 985 985 990 988 985 984 983 ~ 984.34 997.12 30.00
5 988 986 976 978 981 987 993 994 994 992 990 991 986 980 981 984 983 988 995 996 992 994 995 990 991 992 992 991 988 988 984 988.39 995.82 31.00
6 988 979 985 993 991 985 985 984 985 983 991 991 987 987 984 983 982 988 995 991 983 984 990 994 995 ~ 988 994 999 995 ~ 988.29 999.06 29.00
7 1001 1004 999 993 995 989 985 993 998 996 1001 1001 1000 999 1001 1005 1002 1000 1001 1007 1022 1023 1019 1019 1022 1025 1027 1031 1034 1039 1036 1008.56 1038.88 31.00
8 1040 1030 1028 1033 1034 1030 1025 1025 1031 1039 1045 1037 1031 1035 1034 1031 1034 1027 1025 ~ 1037 1040 1038 1036 1036 1033 1030 1030 1030 1023 1021 1032.24 1045.23 30.00
9 1025 1029 1024 1020 1026 1026 1022 1010 1012 1017 1025 1025 1017 1020 1024 1020 1023 1027 1029 1028 1027 1027 1020 1023 1032 1037 1032 1032 1030 1029 ~ 1024.60 1037.02 30.00
10 1027 1026 1025 1032 1029 1028 1024 1026 1035 1046 1051 1050 1045 1039 1038 1048 1041 1033 1034 1024 1019 1030 1038 1043 1044 1042 1040 1042 1039 1037 1035 1035.84 1051.16 31.00
11 1055 1062 1051 1036 1038 1025 1011 995 1031 1052 1040 1024 1027 1051 1059 1061 1054 1040 1039 1048 1044 1019 1030 1035 1029 1021 1024 1032 1033 1037 ~ 1036.72 1061.78 30.00
12 1046 1050 1046 1036 1035 1041 1063 1069 1070 1062 1051 1043 1060 1065 1057 1053 1053 1052 1035 1038 1013 1011 1030 1018 1000 1010 1018 1004 999 1017 ~ 1038.11 1070.24 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 90 90 90 90 90 90 90 90 90 1009
REL. 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.011.2
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 90 90 90 90 90 90 90 90 90 999
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 29.6
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 1045
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 11.8
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 1070
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 0 362 362 362 362 362 362 362 362 362 1070
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

Note:

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