The Ministry of Ecology and Environment reported 168 key cities in air quality ranking in Changchun City in May No. 1 key cities in the north

The Ministry of Ecology and Environment reported 168 key cities in air quality ranking in Changchun City in May No. 1 key cities in the north

On the 18th, China Jilin.com learned from the Changchun Ecological and Environment Bureau that on June 18, the Ministry of Ecology and Environment notified the top 20 and latter 20 cities in the top 20 and latter 20 cities in May 2022. In the first 19th place, Changchun City became the top 20 cities in the north. In May, the environmental air quality ranked first in the key cities in the north.

According to the monitoring data of China Environmental Monitoring Station, in May this year, the number of days of excellent environmental air quality in Changchun City was 28 days, including 13 days of excellent levels and 15 days of good grade. The year -on -year excellent number of days increased by 1 day, the excellent rate was 90.3%, and the excellent rate increased by 3.7 percentage points. Among them, the first -level excellent is 13 days, the year -on -year number of days increased by 4 days.

Monitoring data also shows that the concentration of 6 major air pollutants is as year -on -year: that is, the concentration of fine particles (PM2.5) 19 micrograms/cubic meters, a year -on -year decrease of 7 micrograms/cubic meter; the concentration of granular (PM10) concentration 43 micrograms/cubic meter ，同比下降17微克/立方米；二氧化氮(NO2)浓度17微克/立方米，同比下降12微克/立方米；二氧化硫(SO2)浓度6微克/立方米，同比下降1微克/立方米；一氧化碳(CO) 95 percentage point concentration of 0.9 mg/cubic meter, an increase of 0.1 mg/cubic meter year-on-year; the 90th percentage concentration of ozone (O3-8H) concentration of 157 micrograms/cubic meter, a year-on-year decrease of 4 micrograms/cubic meter meter Essence The environmental air comprehensive index 2.87, a decrease of 0.78 year -on -year, and a decrease of 21.4%.

According to the analysis of ecological environment and meteorological experts, Changchun City's environmental air quality achieved so well in May this year, the environmental air quality is getting better and better, and the mass environment of the masses has improved significantly, happiness, and satisfaction. On the one hand, the meteorological conditions are more conducive to the spread of pollutants, and more importantly, thanks to the comprehensive prevention and control measures of the Changchun Municipal Party Committee and the Municipal Government.

In recent years, Changchun City has co -planned the adjustment of energy structure, industrial structure, transportation structure and land use structure, and implemented special actions such as coal -fired pollution control, industrial pollution sources, mobile source pollution control, and dust pollution control. There are 8089 coal -fired boilers below 20 steam tons/hour; all 16 coal -fired thermal electric units of more than 200,000 kilowatts are used to achieve ultra -low emissions. Monitoring facilities, and networking with the ecological environment department, pollutants have been fully discharged. New coal -fired boiler projects in the urban area, the requirements for ultra -low emission limit for air pollutant emissions. Focusing on petrochemical, chemical, industrial paint, packaging printing, oil storage and transportation and other key industries, we will deeply implement the comprehensive management of corporate volatile organic matter emissions.

Using the "Jilin No. 1" high -definition satellite remote sensing monitoring and visual dust control management system, 5 types of dust pollution sources such as "construction sites, demolition sites, material stacks, naked grounds, and non -regular garbage points" are implemented. The municipal government issued the implementation of the "Administrative Measures for the Prevention and Control of Motor Vehicle and Non -Road Mobile Machinery Exhaust Inflocence", and comprehensively carried out the action of "clean diesel vehicles, clean diesel engines, clean transportation, and clean oil".

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