Key;
Laboratory;
of;
Regional;
Climate-Environment;
Research;
for;
Temperate;
East;
Asia,;
Institute;
of;
Atmospheric;
Physics,;
Chinese;
Academy;
of;
Sciences,;
START;
Regional;
Center;
for;
Temperate;
East;
Asia,;
Beijing;
100029,;
China;
Institute;
of;
Earth;
Environment,;
Chinese;
Academy;
of;
Sciences,Xi'an;
710075,China;
Research;
Center;
for;
Urban;
Environmental;
Technology;
and;
Management,;
Department;
of;
Civil;
and;
Structural;
Engineering,;
The;
Hong;
Kong;
Polytechnic;
University,;
Hong;
Kong,;
China;
Department;
of;
Environmental;
Science;
and;
Technology,;
Xi'an;
Jiao;
Tong;
University,;
Xi'an;
710049,;
China;
北京; 冬季; PM10; 污染气体; 空气污染; 碳质气溶胶;