The Ministry of Ecology and Environment notified the national environmental air quality status in May and January to May

The Ministry of Ecology and Environment notified the media today the national environmental air quality status from May and January -May to May.

In the overall situation of environmental air, in May, the average number of excellent air quality in 339 prefecture -level and above cities across the country was 85.2%, a year -on -year decrease of 2.6 percentage points; the average PM2.5 concentration was 22 micrograms/cubic meter, which was flat year -on -year; the average PM10 average concentration was to be the average concentration of PM10; 45 micrograms/cubic meter, a year -on -year decrease of 4.3%; the average concentration of O3 was 153 micrograms/cubic meter, an increase of 7.0%year -on -year; the average concentration of SO2 was 8 micrograms/cubic meter, which was flat year -on -year; The average concentration of CO was 0.7 mg/cubic meter, a year -on -year decrease of 12.5%. From January to May, the average number of air quality in 339 prefecture -level and above cities across the country was 85.1%, an increase of 0.5 percentage points year -on -year; the average concentration of PM2.5 was 35 micrograms/cubic meter, a year -on -year decrease of 5.4%; the average concentration of the PM10 was to be a year -on -year; 59 micrograms/cubic meter, a decrease of 9.2%year -on -year; the average concentration of O3 was 138 micrograms/cubic meter, an increase of 8.7%year -on -year; the average concentration of SO2 was 9 micrograms/cubic meter , Year -on -year decreased by 8.0%; the average concentration of CO was 1.2 mg/cubic meter, which was flat year -on -year. Figure 1 From January to May to May, the number of days at all levels of 339 prefectures and above cities in the country. The proportion of days at all levels above and above. From January 2022, the concentration of six indicators and year -on -year changes in 339 prefectures and above cities in the country (1) Beijing -Tianjin In May and the surrounding areas, the average number of excellent days of "2+26" cities in Beijing, Tianjin, Hebei and surrounding areas was 62.0%, a year -on -year decrease of 1.7 percentage points; PM2.5 concentration was 28 micrograms/cubic meter, a year -on -year decrease of 15.2%; O3 O3; O3; O3; The average concentration was 190 micrograms/cubic meter, an increase of 6.7%year -on -year. From January to May, the average number of excellent days was 66.8%, a year -on -year increase of 3.5 percentage points; PM2.5 concentration was 51 micrograms/cubic meter, a decrease of 3.8%year -on -year; the average concentration of O3 was 162 micrograms/cubic meter, an increase of 12.5%year -on -year. The proportion of excellent days in Beijing in May was 61.3%, a year -on -year decrease of 12.9 percentage points; PM2.5 concentration was 21 micrograms/cubic meters, an increase of 5.0%year -on -year; the average concentration of O3 was 211 micrograms/cubic meter, a year -on -year increase of 27.9%. From January to May, the proportion of excellent days was 81.5%, a year -on -year increase of 13.3 percentage points; PM2.5 concentration was 33 micrograms/cubic meter, a year -on -year decrease of 28.3%; the average concentration of O3 was 163 micrograms/cubic meter, a year -on -year increase of 28.3%. (2) In the Yangtze River Delta region, 41 cities in the Yangtze River Delta in May in May in May were 73.2%, a year -on -year decrease of 9.8 percent /Cubic meter, a year -on -year increase of 8.6%. From January to May, the average number of excellent days was 80.8%, a year -on -year decrease of 7.0 percentage points; PM2.5 concentration was 38 micrograms/cubic meter, an increase of 5.6%year -on -year; the average concentration of O3 was 156 micrograms/cubic meter, an increase of 13.9%year -on -year. (3) The average number of excellent days in the Fenwei Plain Fenwei Plain in the Fenwei Plain in May was 70.4%, a year -on -year increase of 0.9 percentage points; PM2.5 concentration was 26 micrograms/cubic meters, a year -on -year decrease of 13.3%; the average concentration of O3 was 176 micrograms /Cubic meter, a year -on -year decrease of 3.3%. From January to May, the average number of excellent days was 61.8%, a year -on -year decrease of 4.5 percentage points; PM2.5 concentration was 56 micrograms/cubic meter, an increase of 7.7%year -on -year; the average concentration of O3 was 151 micrograms/cubic meter, an increase of 12.7%year -on -year. Figure 3 From January to May of the country and key areas from January to May, the air quality in key areas ranked in May. Among the 168 key cities, 20 cities including Haikou, Lhasa, and Guiyang were relatively good. 19); Taiyuan, Tangshan, Yangquan City and other cities with relatively poor air quality (from the penultimate to the 19th place from the penultimate to the 19th place). , Zhoushan City, including 20 cities, have relatively good air quality (from the first place to the 20th); the air quality of 20 cities including Xianyang, Xi'an, Urumqi City is relatively poor (from the penultimate to the 19th to the 19th place in the 19th place. ), See Table 2.

Affiliated Table 1 2022 In May 168 key cities, the top 20 and latter 20 cities list attached to the top 20 and latter 20 cities (Zhang END editors in the top 20 and latter 20 cities in the 168 key cities. The Ministry of Ecological and Environment notified the Ministry of Environmental Air Quality Conditioning from January and January -April from January -January -January -March, the Ministry of Environmental Ecological Environment of the Ecological and Environment of Ecological Environment from January and January -February of the country The Ministry of Ecology and Environment notified the national environmental air quality status in January 2022

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