City to Set Goal to Keep Average PM2.5 Concentration Year Round
The city set a goal to keep the year round average concentrations of PM2.5 particles just below 33 micrograms per cubic meter in 2015. The goals according to the municipal human settlements and environmental commission conference, which indicated that the city is implementing measures to lift the city up international standards and improve ecological environment.
Although Shenzhen’sPM2.5 level is low compared to other cities which remain higher than international standards. The city is praised for its air quality performance in 2014 after ranking fourth nationwide in terms of air quality and for being the only city with a population of more than 10 million entering the top ten. Shenzhen achieved a target of lowering its yearly PM2.5 concentration down to 34 micrograms per cubic meters, three years head of planned schedule making Shenzhen one of the country’s most inhabitable large cities.
China considers a PM2.5 concentration of 75 micrograms per cubic meter in 24 hours as safe, the World Health Organization set a standard at 35 micrograms while yearly average of PM 2.5 s\no higher than 10 micrograms as safe. If concentration reaches 35 micrograms there will chances of developing illness increases.
Aside from improving the air quality, other ecological measures are taken by the city including reducing pollutant discharges, protecting water resources, and curbing water pollution in rivers.