The average-annual concentration of PM2.5 in the ambient air of Jiangsu Province is now 32 micrograms per cubic metre, a year-on-year decrease of 3.0 percent. Full story via this link.
The average-annual concentration of PM2.5 in the ambient air of Jiangsu Province is now 32 micrograms per cubic metre, a year-on-year decrease of 3.0 percent. Full story via this link.