Table 1 Statistics information of Beijing and Tianjin.
Parameters | Beijing | Tianjin | ||||
|---|---|---|---|---|---|---|
Min | Max | Mean | Min | Max | Mean | |
Temperature (K) | 254.52 | 313.70 | 287.46 | 254.25 | 311.97 | 287.12 |
Max temperature (K) | 254.79 | 314.80 | 288.79 | 254.45 | 312.49 | 287.87 |
Min temperature (K) | 250.04 | 310.47 | 285.42 | 252.14 | 311.36 | 286.38 |
Dew point (K) | 240.33 | 301.90 | 277.52 | 237.35 | 303.90 | 277.78 |
Sensible temperature (K) | 247.80 | 318.09 | 286.96 | 247.45 | 316.92 | 286.26 |
Humidity (%) | 6.00 | 100.00 | 54.74 | 3.00 | 100.00 | 57.67 |
Cloudiness (%) | 0.00 | 100.00 | 40.91 | 0.00 | 100.00 | 17.50 |
Pressure (kPa) | 986.00 | 1048.00 | 1012.60 | 993.00 | 1046.00 | 1016.53 |
Wind speed (miles/h) | 0.02 | 8.59 | 1.91 | 0.00 | 19.00 | 3.18 |
Wind direction (°) | 0.00 | 360.00 | 180.47 | 0.00 | 360.00 | 177.66 |
Weather id | 500.00 | 804.00 | 778.65 | 200.00 | 804.00 | 755.66 |
AQI | 8.00 | 500.00 | 69.92 | 9.00 | 500.00 | 73.88 |
PM2.5 (µg·m−3) | 1.00 | 742.00 | 39.16 | 1.00 | 365.00 | 44.43 |
PM2.5_24h (µg·m−3) | 2.00 | 238.00 | 38.78 | 3.00 | 264.00 | 44.39 |
PM10 (µg·m−3) | 1.00 | 8733.00 | 72.52 | 1.00 | 2077.00 | 72.02 |
PM10_24h (µg·m−3) | 2.00 | 1790.00 | 71.33 | 3.00 | 977.00 | 71.71 |
O3 (µg·m−3) | 1.00 | 322.00 | 61.81 | 1.00 | 333.00 | 67.45 |
O3_24h (µg·m−3) | 2.00 | 322.00 | 103.73 | 7.00 | 333.00 | 117.54 |
NO2 (µg·m−3) | 1.00 | 144.00 | 29.20 | 1.00 | 157.00 | 35.22 |
NO2_24h (µg·m−3) | 2.00 | 101.00 | 29.20 | 3.00 | 128.00 | 35.26 |
CO (mg·m−3) | 0.10 | 4.00 | 0.60 | 0.10 | 5.80 | 0.84 |
CO_24h (mg·m−3) | 0.10 | 2.80 | 0.60 | 0.10 | 2.90 | 0.84 |
SO2 (µg·m−3) | 1.00 | 43.00 | 3.07 | 1.00 | 334.00 | 8.85 |
SO2_24h (µg·m−3) | 1.00 | 14.00 | 3.07 | 2.00 | 31.00 | 8.85 |