Table 2 Pearson correlation coefficient of particulate matter and its components

From: Sustainable development reduces particulate matter emissions and mitigates aging’s cognitive impact

 

PM1

PM2.5

PM10

black carbon

organic matter

ammonium

nitrate

PM2.5

0.98***

      

PM10

0.90***

0.95***

     

black carbon

0.86***

0.85***

0.75***

    

organic matter

0.92***

0.92***

0.82***

0.97***

   

ammonium

0.88***

0.89***

0.79***

0.88***

0.93***

  

nitrate

0.89***

0.89***

0.80***

0.84***

0.91***

0.99***

 

sulfate

0.88***

0.88***

0.77***

0.94***

0.96***

0.98***

0.96***

  1. *** is significant at the 0.1% level.
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