Figure 2

Relationships of radiation to PM2.5 (a), profiles of temperature anomaly (b) and water vapor maxing ratio (qv) anomaly (c) under high (HA, PM2.5 ≥ 75 μg cm−3) and low aerosols (LA, PM2.5 < 75 μg cm−3), and relationships of PM2.5 (d), qv (e), RH (f) to PBL.