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 |