Maxima for NOx (episodes)

The stations are sorted according to type of site.
Unit: µg(NO)/m3

NO (hour)     2003
Traffic:
Copenhagen/1257
Copenhagen/1103
Århus/6153
Odense/9155
Aalborg/8151
Urban backgr.:
Copenhagen/1259
Århus/6159
Odense/9159
Aalborg/8159
Rural:
Ll. Valby/2090
Keldsnor/9055
Max. 3 hours
Day:hour
Max. hour
Day:hour
411
031001: 5
511
030213: 7
536
031017: 5
825
031017: 6
451
030213: 7
877
031210: 8
426
031210: 6
648
031210: 8
390
030929: 7
508
030929: 7
 
91
031017: 6
139
030213: 8
266
031210: 7
578
031210: 8
149
031014: 6
269
030930: 6
338
031016: 6
399
030929: 7
 
74
031017: 7
131
031129:15
83
031211: 6
88
031211: 7


Unit: µg(NO2)/m3

NO2 (hour)     2003
Traffic:
Copenhagen/1257
Copenhagen/1103
Århus/6153
Odense/9155
Aalborg/8151
Urban backgr.:
Copenhagen/1259
Århus/6159
Odense/9159
Aalborg/8159
Rural:
Ll. Valby/2090
Keldsnor/9055
Max. 3 hours
Day:hour
Max. hour
Day:hour
142
030328:23
189
030422: 7
179
030329: 0
210
030329: 2
145
030416:19
211
031210: 8
121
031023: 6
158
031113: 7
120
030422:16
216
030829: 7
 
110
030328:22
113
030328:22
131
030416:19
135
030416:21
92
030325:20
104
030325:21
85
031016: 6
136
030829: 7
 
68
030213:13
72
030327:21
78
030329: 2
82
030329: 4
Warning limit
 400   
   -   
   -   
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The Alert threshold is given in EU Council Directive 1999/30/EC of 22 April 1999 (Official Journal of the European Communities - L163/41).
With reference to the definition of the alert threshold, the lowest one hour values are calculated for all consecutive three hour periods.
The highest of these one hour values are listed in the table in the column Max. 3 hour.

Overview of NOx

Updated 040304 K. Kemp