Table 2 Pearson’s correlation coefficients of the variables of the study.

From: Evolution and forecasting of PM10 concentration at the Port of Gijon (Spain)

 

NO

NO2

CO

O3

PM10

SO2

0.7090

0.7160

0.6503

− 0.5483

0.4923

NO

 

0.8626

0.6587

− 0.7593

0.5068

NO2

  

0.6755

− 0.5475

0.5251

CO

   

− 0.4823

0.4320

O3

    

− 0.4663