Detailed overview of ambient air pollution valuis from individual stations

Year: 1999
Pollutant:p-atmospheric pressure
Station: 771 - Pha1-nam. Republiky
Code:CZ01CMREP
Institution:Czech Hydrometeorological Institute
Region:Hlavni mesto Praha
District:Praha 1
IHd: 150
Measure method:atmospheric pressure measurement
Unit:hPa

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 1021 1017 1013 1019 1022 1017 1009 1004 1008 1015 1007 1012 1009 1010 1015 1015 1021 1028 1029 1030 1029 1028 1026 1025 1019 1011 1006 1007 1027 1034 1039 1018.44 1038.63 31.00
2 1033 1033 1028 1014 1001 1002 996 1002 1003 1011 1021 1027 1028 1028 1022 1005 1004 1017 1014 1014 1001 996 1003 1010 1020 1018 1017 1023 ~ ~ ~ 1013.94 1033.33 28.00
3 1014 1009 1002 994 996 1004 1009 1011 1011 1013 1022 1023 1023 1026 1029 1034 1032 1023 1019 1020 1011 1007 1012 1016 1007 1003 1002 1013 1021 1022 1022 1014.50 1033.73 31.00
4 1020 1020 1022 1023 1028 1019 1013 1021 1024 1016 1013 1002 1000 1001 1007 1006 1006 1013 1018 1015 1010 1015 1015 1015 1016 1016 1017 1019 1015 1015 ~ 1014.71 1027.52 30.00
5 1016 1021 1020 1018 1020 1022 1017 1015 1020 1016 1014 1012 1012 1010 1014 1020 1022 1022 1016 1009 1009 1017 1024 1022 1019 1022 1022 ~ 1020 1016 1020 1017.56 1024.21 30.00
6 1022 1014 1014 1013 1011 1014 1019 1022 1027 1022 1021 1023 1022 1023 1024 1023 1018 1019 1021 1013 1012 1020 1024 1025 1020 1013 1012 1019 1021 1019 ~ 1018.95 1026.83 30.00
7 1019 1018 1015 1013 1010 1014 1021 1025 1023 1019 1017 1013 1006 1009 1016 1020 1021 1019 1017 1015 1015 1015 1020 1024 1020 1019 1021 1020 1020 1018 1018 1017.47 1024.76 31.00
8 1019 1018 1017 1016 1015 1012 1008 1005 1010 1013 1018 1018 1017 1009 1010 1009 1010 1010 1016 1018 1021 1022 1022 1022 1022 1019 1020 1021 1021 1018 ~ 1015.77 1022.40 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 1039
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 90 90 90 90 90 90 90 90 90 1028
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 5.4
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 1025
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 0 241 241 241 241 241 241 241 241 241 1039
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