pm2.5

21 ug/m3

2016/7/19 7:20:15


pm10

23 ug/m3

2016/7/19 7:20:15


pm2.5美标

21 ug/m3

2016/7/19 7:20:15


pm10美标

23 ug/m3

2016/7/19 7:20:15


颗粒数0.3um

pcs/0.01cf