Table 2.
Descriptive statistics about daily level of meteorological and air pollution indicators in Jinan city, 2011–2020.
Mean | Minimum | 25% | Median | 75% | Maximum | |
---|---|---|---|---|---|---|
DMT (°C) | 15.1 | −12.4 | 5.7 | 16.6 | 24.4 | 33.8 |
RH (%) | 55 | 14 | 40 | 55 | 70 | 100 |
BP (hPa) | 997 | 975 | 989 | 997 | 1,004 | 1,022 |
WS (m/s) | 2.4 | 0.2 | 1.7 | 2.2 | 2.9 | 8.4 |
PM2.5 (μg/m3) | 79 | 3 | 42 | 65 | 99 | 443 |
PM10 (μg/m3) | 142 | 5 | 90 | 126 | 174 | 693 |
NO2 (μg/m3) | 48 | 9 | 33 | 44 | 58 | 165 |
CO (mg/m3) | 1,200 | 363 | 811 | 1,046 | 1,408 | 6,555 |
SO2 (μg/m3) | 50 | 5 | 17 | 35 | 62 | 429 |
O3-8h (μg/m3) | 106 | 5 | 58 | 98 | 148 | 269 |
DMT, Daily mean temperature; RH, Relative humidity; BP, Barometric pressure; WS, Wind speed; PM2.5, Particulate matter with aerodynamic diameter less than 2.5 μm; PM10, Particulate matter with aerodynamic diameter less than 10 μm; NO2, Nitrogen dioxide; CO, Carbon monoxide; SO2, Sulfur dioxide; O3-8h, Ozone for 8 h.