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Table 11 Urban background. Descriptive data of regional air pollution at a monitoring station in Malmö. Annual mean concentrations of traffic-related pollutants measured at Rådhuset Malmö 1980–2006. Data source: IVL Swedish Environmental Research Institute Ltd. http://www.ivl.se/miljo/

From: Traffic-related air pollution associated with prevalence of asthma and COPD/chronic bronchitis. A cross-sectional study in Southern Sweden

Year

SO2 (μg/m3)

NO2 (μg/m3)

O3 (μg/m3)

PM10 (μg/m3)

PM2.5 (μg/m3)

1980*

49

    

1981

50

    

1982

43

    

1983

33,1

    

1984

22,9

42

   

1985

20,3

39

   

1986

16,7

31

   

1987

20,3

32

   

1988

13

30.5

   

1989

12

26.9

46

  

1990

9

21.3

39

  

1991

8

19.6

41

  

1992

7

22.4

43

  

1993

8

25.6

40

  

1994

6

21.4

43

  

1995

6

22

50

  

1996

8

24.6

50

17.4

 

1997

5

26.2

48

17.6

 

1998

4

21.8

47

15.2

 

1999

4

23.5

50

15.8

12.6

2000

2

22.9

49

16.5

13.5

2001

2

21.1

46

18.7

12

2002

2

20.3

52

18.1

11.5

2003

3

20.8

49

21.6

13.7

2004

3

19.5

54

15.9

10

2005

4

20.6

49

17.5

11.1

2006

3

19.3

52

18.2

12.3