Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:p-atmospheric pressure
Station: 773 - Pha4-Branik
Code:CZ04CMBRA
Institution:CHMI
Region:Hlavni mesto Praha
District:Praha 4
IHd: 150
Measure method:atmospheric pressure measurement
Unit:hPa

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 1029 1013 1013 1014 1012 1021 1027 1034 1041 1043 1043 1041 1030 1034 1034 1021 1034 1021 1003 1027 1050 1049 1047 1045 1060 1069 1054 1051 1042 1039 1055 1035.38 1069.10 31.00
2 1061 1048 1041 1047 1049 1041 1037 1046 1043 1043 1040 1037 1042 1042 1037 1024 1047 1048 1039 1039 1033 1032 1042 1043 1046 1040 1026 1020 ~ ~ ~ 1040.42 1060.97 28.00
3 1027 1027 1020 999 1016 1023 1014 1014 1041 1046 1040 1036 1032 1028 1033 1034 1035 1040 1043 1039 1045 1047 1049 1050 1051 1042 1032 1026 1023 1024 1017 1031.99 1050.59 31.00
4 1006 1000 999 1000 1007 1010 996 999 1003 997 1001 1004 1012 1020 1009 1005 1001 1007 1020 1020 1022 1023 1016 1015 1012 1001 994 999 1000 1002 ~ 1006.69 1022.96 30.00
5 1000 1000 1001 1001 1017 1010 1020 1023 1019 1015 1011 1014 1020 1021 1020 1019 1019 1019 1015 1012 1012 1027 1026 1008 1002 1002 1004 1002 1004 1006 1005 1012.09 1026.75 31.00
6 1010 1009 1013 1015 1013 1007 1005 1015 1009 1001 998 1003 1012 1009 1007 1012 1019 1021 1020 1020 1014 1013 1014 1010 1009 1011 1009 1013 1014 1007 ~ 1011.08 1021.28 30.00
7 1005 1009 1009 1011 1008 1005 1000 1002 1006 1006 1004 1004 1002 1008 1011 1009 1010 1010 1013 1010 1008 1015 1011 1015 1015 1011 1004 1005 1005 1006 1012 1008.07 1014.73 31.00
8 1011 1013 1018 1019 1023 1021 1017 1013 1015 1017 1013 1008 1009 1012 1013 1014 1011 1010 1015 1008 999 1002 1007 1003 1013 1006 1017 1024 1023 1021 1023 1013.51 1023.68 31.00
9 1021 1014 1012 1008 1002 1005 1005 1008 1007 1005 998 985 992 1003 1009 999 1003 1020 1029 1037 1032 1029 1027 1022 1017 1006 998 999 1002 1003 ~ 1009.88 1036.82 30.00
10 1007 1017 1020 1019 1023 1024 1011 1014 1011 1004 1002 1009 1030 1029 1018 1024 1009 1032 1029 1035 1035 1025 1013 1007 1000 1019 1021 998 1008 1018 1015 1016.92 1035.25 31.00
11 1005 1015 1016 1015 1027 1035 1045 1038 1029 1025 1045 1050 1031 1014 1024 1032 1043 1047 ~ ~ ~ ~ ~ ~ 1042 1043 1050 1062 1058 1062 ~ 1035.49 1062.38 24.00
12 1069 ~ ~ 1030 1027 1037 1054 1067 1069 1067 1069 1055 1035 1038 1038 1041 1046 1039 1019 1018 1039 1047 1049 1052 1039 1027 1024 1031 1043 1039 1036 1042.88 1069.38 29.00

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 1069
REL. 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.026.1
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 1027
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 22.5
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 1037
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 84 84 84 84 84 84 84 84 84 1069
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 0 357 357 357 357 357 357 357 357 357 1069
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