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. 2020 Apr 20;729:138474. doi: 10.1016/j.scitotenv.2020.138474

Table 2.

Descriptive statistics of cities with higher or lower wind speed.

Days exceeding limits set for PM10 or ozone
2018		 Infected 17th March
2020		 Infected
7th April
2020		 Density inhabitants/km2
2019		 Temp °C
Feb–Mar
2020		 Moisture %
Feb–Mar
2020		 Wind km/h
Feb–Mar
2020		 Rain days
Feb–Mar
2020		 Fog days
Feb–Mar
2020
Cities with lower wind speed N = 41
 Mean 84.32 536.20 2383.66 1517.41 9.05 68.23 7.30 4.56 4.18
 Std. Deviation 43.31 792.84 2624.03 1569.70 2.12 7.50 2.77 2.33 2.94
Cities with higher wind speed N = 14
 Mean 53.93 149.57 770.14 1265.64 10.36 72.89 12.77 5.75 3.39
 Std. Deviation 25.87 153.55 633.21 2108.31 2.43 8.37 3.46 2.56 4.00