Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:p-atmospheric pressure
Station: 773 - Pha4-Branik
Code:CZ04CMBRA
Institution:Czech Hydrometeorological Institute
Region:Hlavni mesto Praha
District:Praha 4
IHd: 150
Measure method:atmospheric pressure measurement
Unit:hPa

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 1040 1038 1027 1029 1031 1026 1017 1012 1016 1027 1015 1032 1027 1020 1023 1023 1034 1045 1045 1048 1049 1045 1040 1037 1028 1019 1017 1018 1057 1070 1084 1033.50 1083.90 31.00
2 1064 1052 1040 1022 1009 1012 1011 1022 1031 1039 1057 1060 1055 1055 1044 1023 1023 1034 1025 1024 1009 ~ 1014 1023 1033 1029 1026 1032 ~ ~ ~ 1032.11 1064.44 27.00
3 1021 1014 1006 998 1000 1014 1019 1021 1018 1019 1035 1038 1036 1036 1038 1045 1046 1042 1031 1029 1018 1013 1018 1025 1009 1000 1000 1014 1030 1027 1024 1022.08 1046.09 31.00
4 1022 1022 1022 1020 1025 1016 1007 1031 1033 1011 1008 1008 1005 1008 1010 1012 1013 1024 1029 1025 1019 1015 1013 1012 1014 1017 1016 1017 1015 1011 ~ 1016.67 1033.06 30.00
5 1011 1016 1015 1015 1019 1020 1014 1015 1013 1007 1006 1003 1005 1004 1007 1018 1021 1018 1008 1000 1001 1011 1020 1017 1011 1014 1012 ~ ~ ~ ~ 1011.94 1021.44 27.00
6 ~ ~ ~ 1007 1004 1008 1013 1016 1023 1017 1016 1018 1017 1018 1019 1018 1012 1014 1015 1007 1005 1014 1019 1019 1014 1006 1005 1013 1015 1013 ~ 1013.52 1022.53 27.00
7 1014 1012 1008 1005 1002 1007 1015 1020 1017 1013 1011 1006 999 1002 1010 1015 1016 1013 1010 1009 1008 1009 1015 1019 1014 1013 1015 1014 1014 1012 1011 1011.18 1019.94 31.00
8 1012 1011 1010 1009 1008 1004 1001 997 1002 1006 1012 1012 1012 1006 1003 1002 1004 1003 1009 1012 1016 1017 1016 1017 1017 1012 1013 1015 1015 1012 ~ 1009.52 1017.30 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 89 89 89 89 89 89 89 89 89 1084
REL. 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.031.1
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 1033
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 9.4
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 61 61 61 61 61 61 61 61 61 1020
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 8.7
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 0 02 0 0 0 0 0 0 0 0
Year
ABS. 0 0 0 0 0 0 0 234 2341 234 234 234 234 234 234 234 1084
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 31.1
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