Trimester-specific pollutant | PM2.5 | NO2 | SO2 | CO | ||||||||
First | Second | Third | First | Second | Third | First | Second | Third | First | Second | Third | |
PM2.5 | ||||||||||||
First | – | −0.09 | 0.30 | 0.01 | 0.06 | 0.14 | 0.17 | −0.11 | 0.33 | 0.25 | 0.21 | 0.31 |
Second | −0.09 | – | −0.17 | 0.05 | −0.02 | 0.04 | 0.04 | 0.17 | −0.02 | 0.31 | 0.22 | 0.21 |
Third | 0.30 | −0.17 | – | 0.16 | 0.08 | 0.00 | 0.37 | 0.04 | 0.19 | 0.26 | 0.30 | 0.22 |
NO2 | ||||||||||||
First | 0.01 | 0.05 | 0.16 | – | 0.85 | 0.75 | 0.16 | 0.06 | −0.03 | 0.51 | 0.52 | 0.44 |
Second | 0.06 | −0.02 | 0.08 | 0.85 | – | 0.87 | −0.05 | 0.12 | 0.16 | 0.47 | 0.54 | 0.54 |
Third | 0.14 | 0.04 | −0.00 | 0.75 | 0.87 | – | −0.08 | −0.06 | 0.17 | 0.48 | 0.48 | 0.53 |
SO2 | ||||||||||||
First | 0.17 | 0.04 | 0.37 | 0.16 | −0.05 | −0.08 | – | 0.37 | 0.14 | 0.22 | 0.18 | 0.02 |
Second | −0.11 | 0.17 | 0.04 | 0.06 | 0.12 | −0.06 | 0.37 | – | 0.47 | 0.12 | 0.25 | 0.21 |
Third | 0.33 | −0.02 | 0.19 | −0.03 | 0.16 | 0.17 | 0.14 | 0.47 | – | 0.21 | 0.24 | 0.38 |
CO | ||||||||||||
First | 0.25 | 0.31 | 0.26 | 0.51 | 0.47 | 0.48 | 0.22 | 0.12 | 0.21 | – | 0.88 | 0.83 |
Second | 0.21 | 0.22 | 0.30 | 0.52 | 0.54 | 0.48 | 0.18 | 0.25 | 0.24 | 0.88 | – | 0.89 |
Third | 0.31 | 0.21 | 0.22 | 0.44 | 0.54 | 0.53 | 0.02 | 0.21 | 0.38 | 0.83 | 0.89 | – |