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Table 3 Correlation between air pollutants

From: The relationship between air quality and respiratory pathogens among children in Suzhou City

  PM2.5 PM10 NO2 SO2 CO O3
PM2.5 1      
PM10 0.894** 1     
NO2 0.616** 0.600** 1    
SO2 0.690** 0.740** 0.643** 1   
CO 0.723** 0.643** 0.616** 0.544** 1  
O3 −0.137** 0.001 −0.470** −0.183** −0.343** 1
  1. Note: *p < 0.05; **p < 0.01