Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:p-atmospheric pressure
Station: 804 - Pha10-Pocernicka
Code:CZ10CMPOC
Institution:CHMI
Region:Hlavni mesto Praha
District:Praha 10
IHd: 150
Measure method:atmospheric pressure measurement
Unit:hPa

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 1004 994 995 996 995 1002 1007 1013 1018 1020 1015 1010 1003 1007 1010 1002 1011 998 986 1005 1018 1016 1013 993 1016 1014 1004 1000 1007 1000 1006 1005.81 1019.69 31.00
2 1002 991 997 1003 1006 1013 1010 1018 1019 1020 1019 1017 1020 1021 1020 1010 1024 1024 1021 1019 1012 1014 1023 1024 1029 1024 1011 1002 ~ ~ ~ 1014.76 1028.92 28.00
3 1007 1009 1006 999 1007 1006 1000 998 1012 1015 1006 1009 1012 1010 1014 1017 1019 1023 1023 1015 1019 1020 1020 1022 1022 1015 1014 1014 1012 1013 1010 1012.50 1022.98 31.00
4 1005 1001 997 1000 1003 1003 996 996 995 990 991 990 996 1002 995 991 988 994 1004 1008 1010 1014 1011 1013 1012 1003 ~ ~ 1002 1004 ~ 1000.49 1013.61 28.00
5 1002 1001 1002 1001 1003 1007 1017 1021 1020 1017 1013 1015 1020 1019 1016 1015 1017 1019 1016 1013 1009 1012 1011 1006 1003 ~ 1006 ~ 1005 1007 ~ 1011.16 1020.93 28.00
6 ~ ~ 1012 1015 1013 1008 1006 1014 1009 1001 999 1003 1012 1008 1007 1011 1017 1019 1018 1018 1013 1013 1013 1010 1009 1010 1008 1012 1013 1007 ~ 1010.58 1018.84 28.00
7 1005 1009 1009 1011 1007 1003 1001 1003 1005 1006 1005 1004 1003 1007 1010 1009 1009 1009 1012 1010 1009 1014 1011 1013 1014 1011 1005 996 1004 1006 1011 1007.36 1013.75 31.00
8 1011 1012 1017 1017 1021 1019 1016 1013 1015 1017 1013 1009 1009 1011 1013 1014 1011 1010 1014 1008 1000 1002 1007 1003 1012 1006 1009 1010 1012 1013 1012 1011.50 1020.98 31.00
9 1015 1014 1011 1008 1002 1005 1005 1008 1007 1005 999 987 989 989 995 998 1004 1019 1026 1028 1025 1021 1019 1015 1009 1003 1000 1000 1003 1004 ~ 1007.05 1027.98 30.00
10 1003 1001 1004 1004 1008 1009 1007 1014 1012 1005 1004 1002 1013 1013 1015 1013 1004 1012 1011 1014 1016 1019 1014 ~ ~ ~ 1005 995 1000 1001 999 1007.67 1019.00 28.00
11 989 998 992 996 1008 1014 1021 1016 1011 1006 1011 1004 1000 992 999 1007 1011 1010 1010 1018 1021 1014 1008 1007 1005 1005 1007 1010 1004 1015 ~ 1007.01 1021.11 30.00
12 1018 1013 1003 990 988 995 1006 1013 1011 1006 1004 1006 1012 1018 1018 1021 1018 1008 1000 997 1005 1012 1013 1010 1014 1008 1007 1009 1010 1009 1008 1008.10 1020.81 31.00

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 1029
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 84 84 84 84 84 84 84 84 84 1021
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 92 92 92 92 92 92 92 92 92 1028
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 89 89 89 89 89 89 89 89 89 1021
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 7.11
ID 0 0 0 0 0 0 06250062500
Year
ABS. 0 0 0 0 0 0 0 355 355 355 355 355 355 355 355 355 1029
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