Table 3.

Meteorological data of corresponding mutation day.

Date(mm-dd)		ρ(PM2.5) (μg/m3)	Pollution Degree	Temperature/°C	Weather Condition	Wind Speed
2013	01-12	264	Severe	−3–7	Cloudy	<3
	02-11	292	Severe	−2–5	Sleety	<3
	02-26	372	Severe	5–13	Cloudy	<3
	03-12	260	Severe	7–16	Cloudy	<3
	10-27	243	Severe	10–19	Cloudy	<3
	12-17	278	Severe	9–12	Hazy	<3
	12-24	500	Severe	−2–3	Hazy	<3
2014	1-16	310	Severe	−3–5	Cloudy	<3
	2-2	413	Severe	1–14	Cloudy	<3