Skip to main content

Table 1 Descriptive statistics for meteorological data, air pollutants and influenza-like illness in Jinan (1 January 2016–31 December 2017)

From: The short-term effects of air pollutants on influenza-like illness in Jinan, China

Meteorological measures Mean ± S.D Min P50 Max
Mean temperature (°C) 15.56 ± 10.305 −12 17.1 33
Relative humidity (%) 55.83 ± 18.71 22 54 98
Air pollutant concentrations
 PM2.5 (μg/m3) 67.18 ± 40.18 10.24 56.83 316.25
 PM10 (μg/m3) 131.76 ± 62.13 16.61 120.7 488
 O3 (μg/m3) 109.85 ± 54.16 11.46 101.48 266.19
 CO (μg/m3) 1133 ± 510 412 1019 5562
 SO2 (μg/m3) 33.06 ± 19.79 9 26.93 136.61
 NO2 (μg/m3) 44.38 ± 15.49 14.44 42.23 106.82
Daily influenza-like illness
 0–4 years old 80.43 ± 33.18 14 74 169
 5–14 years old 17.74 ± 11.79 1 14 83
 15–24 years old 2.82 ± 3.10 0 2 33
 25–59 years old 7.08 ± 6.33 0 6 49
 60 years old and above 3.37 ± 4.05 0 2 29
 Total 111 ± 46.83 29 98 287
  1. Note: S.D standard deviation