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 | ~ | ~ | ~ | 1003 | 1001 | 992 | 995 | 1001 | 1004 | 1001 | 998 | 996 | 996 | 992 | 982 | 983 | 985 | 980 | 974 | 970 | 966 | 965 | 960 | 955 | 974 | 965 | 962 | 974 | 981 | 978 | 976 | 982.37 | 1003.95 | 28.00
| 2 | 986 | 992 | 982 | 981 | 963 | 961 | 977 | 975 | 960 | 962 | 960 | 962 | 973 | 990 | 996 | 991 | 978 | 973 | 964 | 939 | 965 | 953 | 943 | 957 | 956 | 947 | 950 | 957 | ~ | ~ | ~ | 967.59 | 995.82 | 28.00
| 3 | 964 | 966 | 974 | 976 | 966 | 956 | 965 | 982 | 966 | 977 | 979 | 975 | 969 | 969 | 975 | 977 | 972 | 962 | 955 | 965 | 968 | 972 | 982 | 991 | 992 | 992 | 995 | 994 | 988 | 981 | 976 | 974.87 | 995.36 | 31.00
| 4 | 978 | 980 | 974 | 966 | 967 | 975 | 983 | 981 | 977 | 973 | 962 | 949 | 950 | 956 | 965 | 970 | 974 | 978 | 980 | 992 | 999 | 994 | 986 | 983 | 976 | 957 | 964 | 960 | 964 | 969 | ~ | 972.68 | 998.97 | 30.00
| 5 | 963 | 961 | 962 | 962 | 973 | 981 | 981 | 973 | 968 | 964 | 964 | 971 | 974 | 979 | 988 | 980 | 969 | 972 | 978 | 975 | 967 | 962 | 958 | 967 | 970 | 965 | 960 | 962 | 975 | 985 | 985 | 970.74 | 987.57 | 31.00
| 6 | 985 | 981 | 971 | 967 | 959 | 954 | 953 | 961 | 962 | 966 | 977 | 977 | 974 | 977 | 976 | 980 | 983 | 981 | 982 | 979 | 982 | 981 | 978 | 985 | 988 | 980 | 967 | 970 | 977 | 972 | ~ | 974.19 | 988.02 | 30.00
| 7 | 964 | 965 | 962 | 972 | 974 | 972 | 978 | 975 | 968 | 968 | 984 | 980 | 973 | 977 | 974 | 966 | 962 | 968 | 975 | 975 | 968 | 974 | 969 | 966 | 971 | 978 | 984 | 983 | 977 | 968 | 963 | 972.05 | 983.90 | 31.00
| 8 | 965 | 973 | 972 | 969 | 970 | 967 | 968 | 968 | 960 | 956 | 952 | 951 | 969 | 976 | 977 | 978 | 976 | 977 | 979 | 976 | 973 | 976 | 978 | 981 | 982 | 978 | 972 | 973 | 976 | 979 | 978 | 971.74 | 982.36 | 31.00
| 9 | 989 | 990 | 979 | 972 | 972 | 975 | 973 | 975 | 972 | 976 | 984 | 987 | 982 | 970 | 973 | 973 | 971 | 973 | 974 | 974 | 969 | 960 | 967 | 972 | 969 | 969 | 980 | 991 | 994 | 991 | ~ | 976.57 | 993.89 | 30.00
| 10 | 987 | 986 | 979 | 980 | 971 | 962 | 971 | 971 | 974 | 972 | 972 | 969 | 970 | 968 | 967 | 956 | 951 | 962 | 973 | 976 | 957 | 948 | 955 | 970 | 958 | 968 | 960 | 982 | 977 | 974 | 979 | 969.18 | 987.40 | 31.00
| 11 | 975 | 971 | 965 | 971 | 988 | 981 | 964 | 963 | 945 | 962 | 958 | 967 | 954 | 945 | 948 | 948 | 970 | 969 | 962 | 970 | 955 | 952 | 967 | 968 | 963 | 972 | 978 | 974 | 970 | 972 | ~ | 964.85 | 988.48 | 30.00
| 12 | 968 | 962 | 969 | 972 | 979 | 986 | 990 | 995 | 996 | 993 | 993 | 988 | 989 | 986 | 980 | 974 | 977 | 990 | 993 | 978 | 976 | 969 | 978 | 981 | 982 | 972 | 958 | 954 | 954 | 949 | 971 | 977.43 | 995.65 | 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 | 87 | 87
| 87 | 87 | 87 | 87 | 87 | 87 | 87 | 1004
| 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 | 9.1
| 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 | 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 | 21.4
| 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 | 994
| 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 | 29.9
| 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 | 996
| 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 | 9.12
| ID | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 62500 | 62500
|
Year
| ABS. | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 362 | 362
| 362 | 362 | 362 | 362 | 362 | 362 | 362 | 1004 | 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 | 9.1
| 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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