Day/ Month1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | X | Max | N
| 1 | 986 | 982 | 978 | 984 | 987 | 982 | 973 | 969 | 973 | 980 | 972 | 977 | 974 | 974 | 979 | 980 | 986 | 993 | 994 | 994 | 994 | 993 | 991 | 990 | 983 | 976 | 971 | 972 | 992 | 999 | 1003 | 983.31 | 1002.82 | 31.00
| 2 | 997 | 998 | 993 | 978 | 965 | 967 | 962 | 967 | 968 | 976 | 986 | 992 | 993 | 993 | 987 | 969 | 969 | 982 | 978 | 978 | 966 | 961 | 967 | 975 | 984 | 982 | 981 | 987 | ~ | ~ | ~ | 978.60 | 997.84 | 28.00
| 3 | 977 | 973 | 966 | 959 | 961 | 968 | 974 | 976 | 975 | 977 | 987 | 987 | 988 | 991 | 994 | 998 | 996 | 988 | 984 | 985 | 975 | 972 | 976 | 980 | 972 | 969 | 968 | 978 | 986 | 987 | 987 | 979.17 | 998.12 | 31.00
| 4 | 985 | 986 | 987 | 988 | 992 | 984 | 978 | 986 | 989 | 981 | 978 | 967 | 965 | 966 | 973 | 972 | 971 | 979 | 983 | 980 | 976 | 981 | 981 | 981 | 982 | 982 | 983 | 985 | 981 | 980 | ~ | 979.99 | 992.13 | 30.00
| 5 | 982 | 987 | 986 | 984 | 986 | 987 | 982 | 980 | 985 | 981 | 978 | 977 | 977 | 975 | 979 | 985 | 987 | 987 | 981 | 975 | 975 | 982 | 989 | 986 | 984 | 987 | 988 | 988 | 986 | 982 | 985 | 982.92 | 988.91 | 31.00
| 6 | 987 | 980 | 979 | 978 | 976 | 980 | 984 | 986 | 992 | 987 | 986 | 988 | 987 | 988 | 989 | 988 | 983 | 984 | 985 | 978 | 977 | 985 | 989 | 989 | 985 | 978 | 977 | 984 | 986 | 984 | ~ | 983.91 | 991.67 | 30.00
| 7 | 984 | 983 | 980 | 978 | 976 | 979 | 986 | 990 | 988 | 984 | 982 | 978 | 971 | 974 | 980 | 985 | 986 | 984 | 982 | 980 | 979 | 980 | 985 | 988 | 985 | 984 | 986 | 985 | 985 | 983 | 983 | 982.46 | 989.72 | 31.00
| 8 | 983 | 983 | 982 | 980 | 980 | 977 | 973 | 970 | 974 | 977 | 982 | 983 | 981 | 974 | 974 | 974 | 975 | 975 | 980 | 982 | 985 | 987 | 986 | 986 | 986 | 983 | 984 | 986 | 985 | 982 | 982 | 980.40 | 986.80 | 31.00
| 9 | 985 | 989 | 987 | 986 | 984 | 980 | 982 | 987 | 990 | 992 | 988 | 983 | 980 | 980 | 978 | 977 | 976 | 976 | 971 | 968 | 974 | 978 | 981 | 984 | 978 | 975 | 975 | 974 | 972 | 967 | ~ | 979.88 | 992.47 | 30.00
| 10 | 974 | 973 | 975 | 979 | 985 | 988 | 991 | 986 | 983 | 986 | 989 | 992 | 991 | 987 | 988 | 989 | 991 | 988 | 985 | 983 | 977 | 975 | 972 | 968 | 973 | 982 | 990 | 990 | 993 | 984 | 989 | 983.73 | 992.94 | 31.00
| 11 | 988 | 985 | 995 | 990 | 979 | 978 | 988 | 990 | 990 | 991 | 996 | 993 | 983 | 977 | ~ | 978 | 973 | 967 | 973 | 980 | 978 | 978 | 985 | 992 | 995 | 993 | 994 | 994 | 995 | 988 | ~ | 985.66 | 996.48 | 29.00
| 12 | 979 | 982 | 973 | 973 | 983 | 985 | 977 | 977 | 968 | 971 | 967 | 959 | 969 | 961 | 971 | 986 | 980 | 975 | 977 | 985 | 996 | 999 | 993 | 984 | 968 | 952 | 955 | 961 | 975 | 985 | 988 | 975.98 | 999.11 | 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 multiplestotal ind.
| part of it in IHd multiples
max. date
<=1/3 | <=2/3 | <=1.0 | <=1.5 | <=2.0 | <=3.0 | <=4.0
| >
| 1/3 | 2/3 | 1.0 | 1.5 | 2.0
| 3.0 | 4.0
| 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 | 1003
| REL. | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0
| 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 31.1
| ID | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 62500 | 62500
| |
|
|
ABS. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 91 | 91
| 91 | 91 | 91 | 91 | 91 | 91 | 91 | 992
| REL. | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 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 | 0 | 62500 | 62500
| |
|
|
ABS. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 92 | 92
| 92 | 92 | 92 | 92 | 92 | 92 | 92 | 992
| REL. | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0
| 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 10.9
| ID | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 62500 | 62500
| |
|
|
ABS. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 91 | 91
| 91 | 91 | 91 | 91 | 91 | 91 | 91 | 999
| REL | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0
| 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 22.12
| ID | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 62500 | 62500
|
Year
| ABS. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 364 | 364
| 364 | 364 | 364 | 364 | 364 | 364 | 364 | 1003 | REL. | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 100.0 | 100.0
| 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 100.0 | 31.1
| ID | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 62500 | 62500
|
Note:
| 1 frequency < 60 per quarter, or < 240 per annum
|
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2 frequency < 30 per quarter, or < 120 per annum
|
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|