Anion with- | NO2 | SO2 | CO | O3 | PM2.5 |
correlation coefficient | −0.55536 | −0.56898 | −0.48375 | 0.21683 | −0.54429 |
P-Value | 0.0191 | 0.0189 | 0.0166 | 0.0185 | 0.0189 |