Comprehensive Fog-Haze Transition Analysis
Zhengzhou | December 25-31, 2023
Fog:
RH ≥ 95%, Visibility < 5 km
RH ≥ 95%, Visibility < 5 km
Fog-Haze Mixture:
80% ≤ RH < 95%, PM2.5 > 75 μg/m³, Vis < 5 km
80% ≤ RH < 95%, PM2.5 > 75 μg/m³, Vis < 5 km
Haze:
RH < 80%, PM2.5 > 75 μg/m³, Visibility < 5 km
RH < 80%, PM2.5 > 75 μg/m³, Visibility < 5 km
📍
Meteorological Station Network
Gongyi
Station: 57080
Lon: 112.98°E, Lat: 34.81°N, Alt: 251.1m
Dryland
Xingyang
Station: 57081
Lon: 113.40°E, Lat: 34.79°N, Alt: 140.9m
Urban
Dengfeng
Station: 57082
Lon: 113.11°E, Lat: 34.49°N, Alt: 413.2m
Dryland
Zhengzhou
Station: 57083
Lon: 113.66°E, Lat: 34.71°N, Alt: 110.4m
Urban
Songshan
Station: 57084
Lon: 113.05°E, Lat: 34.49°N, Alt: 1178.4m
Forest
Xinmi
Station: 57085
Lon: 113.34°E, Lat: 34.54°N, Alt: 259.9m
Urban
Xinzheng
Station: 57086
Lon: 113.72°E, Lat: 34.38°N, Alt: 116.6m
Rural
Zhongmu
Station: 57090
Lon: 114.04°E, Lat: 34.74°N, Alt: 80.6m
Rural
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Meteorological Warning Information
December 28, 2023
🔴 Severe Fog-Haze Warning
🔴 Severe Fog-Haze Warning
December 29-30, 2023
🟠 Heavy Fog Alert
🟠 Heavy Fog Alert
Figure 1. Station 57083 Visibility Analysis with Multi-Station Range and EC Model
Figure 2. Fog-Haze-Mixture Transition: Multi-Parameter Analysis
Figure 3. Three-Dimensional Fog-Haze Phase Space with Meteorological Constraints
Figure 4. Wind Rose with PM2.5 Concentration
Figure 5. Aerosol Size Distribution (PM2.5/PM10 Ratio)
Figure 6. Integrated Fog-Haze Transition Mechanism Diagram
Figure 7. Spatiotemporal PM2.5 Evolution with RH Contours
Figure 8. 3D Phase Space: Multi-Station Dynamics
Figure 9. Vertical Profile Analysis
Figure 10. Diurnal Variation Patterns
Figure 11. RH-PM2.5-PM10 Relationship Analysis
Figure 12. Multi-Pollutant Correlation Matrix
Figure 13. Model vs Observation Comparison
Figure 14. AQI Distribution and Health Impact
Figure 15. Wind Field and Visibility Distribution Map
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