Research Article
A Study on Parameterization of the Beijing Winter Heavy Haze Events Associated with Height of Pollution Mixing Layer
Table 2
Observations and H_PML of heavy pollution in February 2014.
| Station | Lon. | Lat. | (hPa) | (°C) | Wind dir. (d.) | Speed (m/s) | Vis. (km) | RH (%) | H_PML (m) | AQI level | W | PM2.5 (µg/m3) |
| Barhu | 118.3 | 48.2 | 1019.7 | −9 | 330 | 1 | 0.9 | 76.7 | 406.6 | 3 | Rain | 148.3 | Shuiling | 127.1 | 47.2 | 1019.9 | −1 | 159 | 3 | 1.2 | 86.2 | 247.4 | 3 | Fog | 179 | Wulan | 122.1 | 46.1 | 1016 | −4 | 205 | 0 | 0.6 | 73.6 | 492.1 | 3 | Heavy fog | 148.8 | Zhao | 114.7 | 37.5 | 1024.1 | 0 | 177 | 0 | 0.4 | 86.3 | 247.6 | 6 | Heavy haze | 589 | Gaoyi | 114.6 | 37.6 | 1023.9 | 0 | 193 | 0 | 0.9 | 86.3 | 247.6 | 6 | Fog | 589 | Handan | 114.7 | 37.0 | 1024.0 | 1 | 264 | 0 | 0.3 | 93.0 | 123.9 | 6 | Heavy haze | 589 | Wudan | 119.0 | 42.9 | 1017.4 | 4 | 248 | 4 | 2.0 | 60.2 | 865.4 | 5 | Heavy haze | 260 | Fengning | 116.6 | 41.2 | 1024.5 | −3 | 293 | 0 | 1.3 | 86 | 246.8 | 6 | Fog | 456 | Shunyi | 116.6 | 40.1 | 1024.0 | 2 | 12 | 0 | 0.6 | 80.4 | 372.0 | 6 | Fog | 456 | Huailai | 115.5 | 40.4 | 1024.5 | −2 | 0 | 0 | 0.7 | 86.1 | 247.0 | 6 | Heavy haze | 453 | Chaoyang | 116.5 | 39.9 | 1024.0 | 1 | 110 | 0 | 0.5 | 80.3 | 371.6 | 6 | Heavy haze | 456 | Dachang | 116.9 | 39.9 | 1024.0 | 0 | 13 | 0 | 0.5 | 86.3 | 247.6 | 6 | Heavy haze | 434 | Beijing | 116.5 | 39.8 | 1023.7 | 3 | 74 | 1 | 0.5 | 74.9 | 496.0 | 6 | Heavy haze | 434 | Baoding | 115.5 | 38.7 | 1023.7 | 1 | 309 | 0 | 0.7 | 86.4 | 247.9 | 6 | Heavy haze | 487 | Jinghai | 116.9 | 38.9 | 1023.9 | 4 | 179 | 1 | 1.4 | 93.2 | 124.4 | 6 | Fog | 453 | Zhenan | 109.2 | 33.4 | 1024.1 | 6 | 149 | 0 | 3.4 | 86.9 | 249.5 | 3 | Fog | 191 | Yexian | 113.3 | 33.6 | 1026.1 | 7 | 201 | 0 | 1.0 | 93.3 | 124.9 | 2 | Fog | 156 | Miyang | 113.3 | 32.7 | 1024.9 | 8 | 101 | 0 | 0.9 | 93.4 | 125.1 | 2 | Fog | 156 | Laifeng | 109.4 | 29.5 | 1024.4 | 8 | 9 | 0 | 1.3 | 100.0 | 5.4 | 2 | Rain | 130.5 | Huarong | 112.6 | 29.5 | 1025.4 | 9 | 30 | 0 | 1.3 | 93.4 | 125.2 | 2 | Fog | 148 | Pingyang | 120.6 | 27.7 | 1020.9 | 13 | 219 | 0 | 0.3 | 100 | 5.4 | 2 | Heavy fog | 141.4 | Rui'an | 120.7 | 27.8 | 1020.5 | 13 | 265 | 1 | 0.5 | 100 | 5.4 | 2 | Heavy fog | 141.4 | Lianshan | 112.2 | 24.6 | 1022.2 | 12 | 325 | 0 | 0.9 | 93.6 | 125.2 | 2 | Blue sky | 126 | Yongding | 116.72 | 24.73 | 1023.2 | 16 | 9 | 1 | 2.6 | 100.0 | 5.4 | 3 | Rain | 101.7 | Average | | | 1023.0 | 4.0 | 161 | 1.0 | 1.0 | 87.0 | 239.7 | 4.2 | | 309 |
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