Detailed overview of ambient air pollution valuis from individual stations

Year: 2000
Pollutant:p-atmospheric pressure
Station:1014 - Decin
Code:CZDCCMDEC
Institution:Czech Hydrometeorological Institute
Region:Severocesky
District:Decin
IHd: 150
Measure method:atmospheric pressure measurement
Unit:hPa

Average daily concentrations

Day/
Month

12345678910111213141516171819202122232425262728293031XMaxN
1 995 1000 996 990 995 995 996 995 998 1007 1009 1003 996 998 1002 998 983 984 996 988 989 982 990 996 1000 999 995 987 971 982 989 993.75 1009.16 31.00
2 989 987 1000 1000 998 993 986 977 988 992 1000 994 988 991 983 974 980 979 979 994 1000 996 997 993 995 1002 1000 991 982 ~ ~ 990.72 1002.47 29.00
3 977 989 978 989 999 996 990 985 985 993 985 997 995 986 990 992 992 996 999 996 994 990 987 986 987 982 980 986 982 976 978 988.26 999.45 31.00
4 979 979 969 969 981 997 998 993 987 980 970 970 974 976 974 977 980 983 985 989 989 987 982 983 988 987 986 985 990 992 ~ 982.64 997.50 30.00
5 991 993 991 991 990 990 990 990 991 990 990 995 997 997 993 989 985 982 982 983 982 987 992 989 988 989 987 983 987 987 993 989.07 997.42 31.00
6 996 993 991 991 987 990 993 995 991 987 988 998 996 993 993 997 1002 999 994 990 987 989 990 987 988 991 991 989 989 986 ~ 991.74 1001.83 30.00
7 985 986 982 980 987 991 984 984 978 973 975 985 984 977 981 985 989 989 988 991 991 990 987 981 980 984 988 984 987 994 996 984.98 995.72 31.00
8 993 990 991 993 993 991 992 992 993 989 988 989 992 993 991 989 987 989 988 986 987 994 996 993 994 992 991 993 993 988 983 990.80 995.88 31.00
9 980 979 981 990 993 985 988 996 997 995 991 987 986 990 989 982 984 985 985 985 989 998 999 996 996 995 992 986 982 981 ~ 988.70 999.05 30.00
10 980 986 994 993 989 992 994 990 982 973 970 979 986 989 985 988 996 996 995 997 1002 1003 997 991 984 985 990 989 988 976 977 988.31 1002.62 31.00
11 981 980 977 985 985 966 966 975 985 993 995 985 979 981 989 987 984 988 980 982 982 987 981 984 982 979 991 992 990 994 ~ 983.48 994.94 30.00
12 993 993 994 994 994 992 989 987 991 989 994 990 986 978 974 979 988 993 999 1003 1002 997 987 979 973 970 970 971 975 977 989 986.67 1002.60 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 91 91 91 91 91 91 91 91 91 1009
REL. 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.011.1
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 1002
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 17.6
ID 0 0 0 0 0 0 06250062500
ABS. 0 0 0 0 0 0 0 92 92 92 92 92 92 92 92 92 999
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 23.9
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 1003
REL 0.0 0.0 0.0 0.0 0.0 0.0 0.0100.0100.0 100.0 100.0 100.0 100.0 100.0 100.0 100.022.10
ID 0 0 0 0 0 0 06250062500
Year
ABS. 0 0 0 0 0 0 0 366 366 366 366 366 366 366 366 366 1009
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 11.1
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