Table 1 Correlation coefficients for the 30 day moving averages of the concentrations.
From: How to determine life expectancy change of air pollution mortality: a time series study
| Â | SO2 | PM10 | O3 | NO2 |
|---|---|---|---|---|
SO2 | 1 | Â | Â | Â |
PM10 | -0.02 | 1 | Â | Â |
O3 | -0.22 | 0.33 | 1 | Â |
NO2 | -0.04 | 0.45 | 0.19 | 1 |