| Characteristic | Ordinary day Mean, 95% CI | Holiday Mean, 95% CI | Cold season Mean, 95% CI | Warm season Mean, 95% CI | Whole year Mean, 95% CI |
| Ave tem | 1.17 [0.48 - 1.84] | 0.70 [−0.40 - 1.78] | −7.21 [−7.77 - 6.64] | 16.40 [16.07 - 16.73] | 1.02 [0.46 - 1.60] |
| Wind velocity | 2.14 [2.09 - 2.19] | 2.12 [2.04 - 2.19] | 1.89 [1.84 - 1.94] | 2.59 [2.53 - 2.66] | 2.14 [2.09 - 2.18] |
| Min tem | 7.75 [7.02 - 8.45] | 7.15 [5.97 - 8.23] | −0.82 [−1.44 - 0.19] | 23.22 [22.86 - 23.59] | 7.56 [6.95 - 8.16] |
| Max tem | −4.33 [−5.00 - 3.67] | −4.67 [−5.71 - 3.63] | −12.39 [−12.91 - 11.85] | 10.43 [10.11 - 10.76] | −4.43 [−4.97 - 3.87] |
| Humidity | 56.01 [55.31 - 56.76] | 56.44 [55.34 - 57.62] | 58.49 [57.79 - 59.23] | 51.74 [50.65 - 52.88] | 56.14 [55.54 - 56.75] |
| SO2 | 24.55 [23.27 - 25.89] | 24.56 [22.60 - 26.70] | 35.22 [33.78 - 36.68] | 4.65 [4.43 - 4.86] | 24.56 [23.42 - 25.68] |
| NO2 | 45.85 [44.92 - 46.83] | 44.34 [42.93 - 45.73] | 52.95 [51.96 - 53.99] | 31.25 [30.60 - 31.89] | 45.39 [44.56 - 46.19] |
| PM10 | 182.59 [175.16 - 190.02] | 183.05 [172.21 - 193.88] | 226.77 [218.30 - 235.25] | 95.01 [91.84 - 98.19] | 182.73 [176.60 - 188.86] |
| PM25 | 85.29 [81.29 - 90.02] | 85.65 [79.59 - 92.17] | 114.10 [109.16 - 119.04] | 29.21 [28.01 - 30.40] | 85.72 [82.14 - 89.31] |
| CO | 1058.42 [1020.39 - 1101.08] | 1004.99 [948.13 - 1066.72] | 1352.85 [1313.07 - 1396.15] | 461.34 [444.07 - 482.81] | 1041.96 [1010.88 - 1076.00] |
| O3 | 29.01 [28.23 - 29.86] | 30.33 [29.00 - 31.66] | 24.23 [23.54 - 24.96] | 39.10 [37.95 - 40.35] | 29.42 [28.78 - 30.12] |