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Table 2 Spearman correlations of daily pollutant concentrations in the study period during 2014–2017

From: Ambient particulate matter and biomass burning: an ecological time series study of respiratory and cardiovascular hospital visits in northern Thailand

 

PM10

NO2

O3

CO

PM10

–

   

NO2

0.71

–

  

O3

0.82

0.58

–

 

CO

0.57

0.50

0.45

–

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Environmental Health

ISSN: 1476-069X