Table 2 Spearman correlation coefficients between daily ambient air pollutant and meteorological parameters
From: Ambient air pollution and respiratory mortality in Xi’an, China: a time-series analysis
PM2.5 | SO2 | O3 | Temperature | |
|---|---|---|---|---|
SO2 | 0.670** | |||
O3 | − 0.441** | − 0.666** | ||
Temperature | −0.431** | −0.786** | 0.778** | |
Humidity | 0.041 | −0.248** | −0.240** | 0.058 |