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Table 2 Overview of environmental variables in Xiamen

From: Effects of particulate matter (PM) on childhood asthma exacerbation and control in Xiamen, China

  Mean SD Minimum First quartile Median Third quartile Maximum
PM2.5(μg/m3) 27.44 14.535 6 17 24 35 110
PM10(μg/m3) 47.66 22.779 11 31 43 60 141
Temperature(°C) 21.30 6.22 3.9 15.97 22.05 27.12 31
Precipitation(mm) 4.07 12.76 0 0 0 0.9 172.7
Wind speed(m/s) 2.68 1 2 2 2.5 3.2 9.6