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Table 3 Correlations of mean daily concentrations of pollutants and meteorological parameters, Manchester, May 2003 – Jan 2006

From: Short-term effects of ambient particulates and gaseous pollutants on the incidence of transient ischaemic attack and minor stroke: a case-crossover study

 

CO

PM10

NO

NO2

SO2

Ozone

T*

Rh†

CO

1

       

PM10

0.53

1

      

NO

0.89

0.49

1

     

NO2

0.75

0.54

0.77

1

    

SO2

0.50

0.61

0.49

0.55

1

   

Ozone

-0.54

-0.23

-0.59

-0.68

-0.38

1

  

T*

-0.39

-0.04

-0.42

-0.48

-0.20

0.20

1

 

Rh†

0.31

-0.09

0.32

0.30

-0.06

-0.50

-0.25

1

  1. CO: carbon monoxide; PM 10: mass concentration of particles less than 10 μm in aerodynamic diameter; NO: nitric oxide; NO 2: nitrogen dioxide; SO 2: sulphur dioxide;
  2. * Temperature.
  3. † Relative humidity.
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Environmental Health

ISSN: 1476-069X