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Table 2 Spearman’s correlations between each atmospheric pollutants and meteorological factors in Beijing, 2013-2017b

From: Acute effects of fine particulate matter (PM2.5) on hospital admissions for cardiovascular disease in Beijing, China: a time-series study

Variables

SO2

CO

NO2

O3

PM10

PM2.5

Temp

Humidity

SO2

1.000

       

CO

0.6039

1.0000

      

NO2

0.6552

0.7221

1.0000

     

O3

−0.3621

− 0.4185

−0.4062

1.0000

    

PM10

0.5715

0.5783

0.7005

−0.0304

1.0000

   

PM2.5

0.5607

0.7246

0.7170

−0.1127

0.8417

1.0000

  

Temp

−0.4938

− 0.3407

− 0.3014

0.8102

− 0.0197

− 0.0588

1.0000

 

Humidity

−0.3893

0.0429

−0.0118

0.0108

−0.0279

0.0779

0.1052

1.0000

  1. b All correlation coefficients were statistically significant (P < 0.001)
  2. Temp: Temperature
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Environmental Health

ISSN: 1476-069X