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. 2019 Apr 25;16(8):1465. doi: 10.3390/ijerph16081465

Figure 4.

Figure 4

The relationship between meteorological factors and PM concentration. (a) The relationship between wind velocity and PM2.5 concentration; (b) the relationship between wind velocity and PM10 concentration; (c) the relationship between temperature and PM2.5 concentration; (d) the relationship between temperature and PM10 concentration; (e) the relationship between humidity and PM2.5 concentration; (f) the relationship between humidity and PM10 concentration.