Detailed overview of ambient air pollution valuis from individual stations

Year: 1998
Pollutant:p-atmospheric pressure
Station:1019 - Hradek n.Nisou
Code:CZLBCMHRN
Institution:CHMI
Region:Severocesky
District:Liberec
IHd: 150
Measure method:atmospheric pressure measurement
Unit:hPa

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 998 990 989 990 989 995 998 1002 1007 1008 1005 1003 998 1000 1002 995 1002 993 984 998 1009 1009 1006 1004 1010 1010 1003 999 1002 996 1004 999.90 1010.26 31.00
2 1002 993 994 999 1002 1005 1002 1008 1008 1008 1006 1005 1008 1008 1005 997 1011 1011 1006 1006 1001 1003 1009 1009 1012 1008 998 993 ~ ~ ~ 1004.12 1012.05 28.00
3 998 998 994 988 996 997 990 990 1003 1007 1001 1001 1001 1001 1004 1004 1005 1008 1009 1005 1008 1010 1011 1011 1010 1004 1001 1002 1001 1001 998 1001.84 1010.96 31.00
4 994 991 988 990 993 993 987 988 988 984 985 985 990 994 988 985 983 987 995 999 1001 1002 1000 1000 999 993 989 992 993 994 ~ 991.74 1002.41 30.00
5 993 992 993 992 993 995 1003 1006 1005 1003 1001 1003 1006 1005 1003 1003 1004 1005 1003 1000 997 999 999 995 993 993 995 995 995 996 995 998.76 1006.39 31.00
6 998 998 1000 1002 1001 997 996 1002 998 993 991 994 1000 998 996 999 1004 1005 1004 1005 1001 1000 1001 999 998 999 997 1000 ~ 997 ~ 998.95 1005.09 29.00
7 995 998 998 999 996 994 992 993 995 996 994 994 993 996 998 998 998 998 1000 999 998 1002 1000 1002 1002 1000 995 994 994 995 1000 996.90 1002.25 31.00
8 1000 1001 1004 1004 1007 1006 1004 1001 1003 1004 1001 998 998 1000 1001 1002 1000 999 1002 997 990 993 996 993 1000 995 997 998 1000 1000 1000 999.76 1006.71 31.00
9 1003 1003 1000 998 994 995 996 997 996 ~ 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 ~ 989.93 1003.22 29.00
10 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986 986.29 986.30 31.00
11 986 986 986 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 986.29 986.30 3.00

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 1012
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 90 90 90 90 90 90 90 90 90 1006
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 91 91 91 91 91 91 91 91 91 1007
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 34 341 34 34 34 34 34 34 34 986
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 2.10
ID 0 0 0 0 0 0 06250062500
Year
ABS. 0 0 0 0 0 0 0 305 305 305 305 305 305 305 305 305 1012
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