Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:p-atmospheric pressure
Station: 780 - Pha9-Vysocany
Code:CZ09CMVYS
Institution:CHMI
Region:Hlavni mesto Praha
District:Praha 9
IHd: 150
Measure method:atmospheric pressure measurement
Unit:hPa

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 1014 1003 1003 1004 1003 1011 1015 1021 1027 1029 1025 1021 1014 1017 1019 1010 1020 1008 994 1014 1028 1027 1024 1021 1029 1029 1021 1016 1019 1013 1021 1016.71 1029.48 31.00
2 1020 1008 1010 1016 1019 1023 1020 1028 1028 1028 1026 1025 1029 1029 1025 1014 1031 1032 1026 1025 1019 1020 1029 1030 1033 1028 1015 1008 ~ ~ ~ 1022.90 1033.08 28.00
3 1014 1015 1010 1002 1013 1013 1004 1003 1021 1025 1017 1017 1019 1018 1021 1021 1024 1028 1029 1023 1027 1029 1030 1030 1029 1022 1019 1019 1017 1018 1014 1019.11 1030.32 31.00
4 1009 1005 1001 1004 1008 1007 999 1000 1000 995 996 995 1002 1008 1000 996 992 998 1009 1015 1018 1019 1015 1017 1016 1007 1000 1005 1006 1008 ~ 1004.92 1019.21 30.00
5 1006 1005 1006 1005 1007 1011 1021 1025 1023 1020 1016 1018 1023 1022 1020 1019 1021 1023 1019 1017 1013 1016 1015 1010 1007 1007 1009 1008 1009 1011 1010 1014.31 1024.59 31.00
6 1014 1013 1016 1019 1017 1011 1010 1019 1013 1006 1003 1007 1016 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 1012.57 1018.72 13.00
7 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 1012 1015 1014 1013 1014 1016 1014 1013 1018 1015 1018 1018 1015 1009 1009 1009 1010 1016 1013.75 1018.28 18.00
8 1015 1017 1022 1022 1026 1024 1020 1017 1019 1021 1017 1013 1014 1016 1017 1018 1015 1014 1018 1013 1004 1007 1012 1008 1017 1010 1013 1015 1017 1017 1017 1015.91 1025.56 31.00
9 1020 1018 1016 1013 1007 1009 1009 1012 1011 1010 1004 992 994 994 1000 1003 1008 1023 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 1008.06 1023.43 18.00

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 1033
REL. 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.025.2
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 74 74 74 74 74 74 74 74 74 1025
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 8.5
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 67 67 67 67 67 67 67 67 67 1026
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 5.8
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 0 231 2311 231 231 231 231 231 231 231 1033
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 25.2
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