Middelværdier og fraktiler for CO

Yearly statistics for CO

Unit: µg/m3

CO     2002

Traffic:
 
Copenhagen/1257
Copenhagen/1103
Århus/6153
Odense/9155
Aalborg/8151
Urban background:
Copenhagen/1259
Number of
results
Average
 
Median
(hour)
98-perc.
(hour)
99.9-perc.
(hour)
Max. 24
hours
Max. 8
hours*)
Max. 1
hour
8669
1037
877
2781
6140
2471
4605
9553
8670
922
813
2392
3982
1937
2928
6210
7918
606
525
1741
3575
1552
2562
4715
8702
750
548
2387
3885
1965
3322
5504
8718
862
705
2537
3921
2414
3465
4684
 
8045
328
284
786
1528
809
1174
2381
Limit value
Guideline value
      >7884    
       -      
       -      
       -      
      -      
        -        
10 000
       -      
       -      
       -      
       -      
       -      
      -      
        -        
10 000
30 000
*)The 8 hour values are calculated as a moving average based on hourly results.

The limit value is implemented through EU Council Directive 2000/69/EC (Official Journal of the Europen Communities - L313/12)
Short description of the Air Quality Directives (in Danish).
The guideline values are proposed by WHO.

Overview of CO

Updated 030526 K. Kemp