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Table 2 Distribution and correlation of air pollution concentrations and meteorological measurements during the study period (Oct. 6, 2016–Sep. 5, 2019)

From: Omega-3 fatty acids attenuate cardiovascular effects of short-term exposure to ambient air pollution

 

Mean (SD)

Range

IQR

Spearman correlation coefficient

PM2.5

O3

NO2

Temperature

PM2.5 (µg/m3)

10.2 (4.1)

1.8–68.0

4.7

    

O3_8h (ppb)

40.8 (11.1)

10–71

17

0.16

   

NO2 (ppb)

5.3 (3.8)

0.8–24.2

3.8

0.45

− 0.13

  

Temperature (°C)

16.5 (8.9)

− 8.6 to 31.1

15.2

− 0.10

0.47

− 0.42

 

Relative humidity (%)

70.2 (15.6)

30–100

22.2

− 0.19

− 0.46

− 0.21

0.17

  1. IQR, interquartile range; NO2, nitrogen dioxide; O3, ozone; PM, particulate matter; SD, standard deviation