Yearly statistics for NO
x
Unit: µg(NO)/m
3
NO
(hour) 1994
Station
Copenhagen/1257
Odense/9155
Aalborg/8151
Ll. Valby/2090
Number
Average
Median
98-perc
99.9-perc.
8081
78
45
335
584
8235
62
27
346
578
8244
91
58
384
673
7503
( 2)
( 0)
15
108
()= more than half of the results below the detection limit.
Unit: µg(NO
2
)/m
3
NO
2
(hour) 1994
Station
Copenhagen/1257
Odense/9155
Aalborg/8151
Ll. Valby/2090
Number
Average
Median
98-perc
99.9-perc.
8081
47
44
102
131
8235
36
31
93
122
8244
37
33
96
126
7503
12
9
44
59
Limit value
Guide value
>6570
-
-
200
-
-
-
50
135
-
The limit values are implemented in Denmark by Regulation nr. 119 of 12. March 1987 issued by the ministry of Environment..
Overview of NO
x
Updated 970526
K. Kemp