Since the "air pollution prevention and control action plan" (later referred to as the "ten atmospheric regulations") was issued in 2013, the national ambient air quality has been improved as a whole. From 2013 to 2015, the concentration of PM2.5 in China decreased significantly, but the improvement of pollution tended to be gentle from 2016 to 2017. Half a year has passed since 2017. Has the air quality been improved?
Recently, Greenpeace sorted out the data published by the Ministry of environmental protection of the peoples Republic of China, and analyzed the air quality changes of 366 cities in the first half of 2017. Lets have a look at it!
From the data analysis results, the PM2.5 concentration of 366 cities in the first half of 2017 was 48.7 μ g / m3, which was not significantly improved compared with the same period in the first half of 2016; 77.9% of the cities failed to meet the air quality standard, and the average PM2.5 concentration of 49 cities exceeded the national standard by more than twice.
There was no significant improvement in air quality over the same period of 16 years
>>>>PM2.5 concentration in 366 cities ranked top 5
Haze control in different provinces
According to the data in the first half of 2017, the average concentration of PM2.5 in 14 of the 31 provincial administrative regions increased, compared with that in the same period of last year in only 5 provinces. Among them, 7 provinces and regions with more than 10% increase in PM2.5 concentration, and 5 provinces and regions with a decrease of more than 10%.
In order to protect the health of peoples daily life, in November 2016, the state promulgated and implemented the national standard GB / t32610-2016 "technical specification for daily protective masks". According to the air pollution index, the standard sets different levels of protective masks of A, B, C and D.
Zk-best adopts nano film independently developed by the Chinese Academy of Sciences. The first batch of anti haze masks passed the national standard a-highest level test of GB / t32610-2016 "technical specification for daily protective masks".
Zk-best will launch series B, C and D masks to meet your needs. For the future, to be continue.