China News Service, January 16th. On the 16th, the Ministry of Ecology and Environment announced on its official website the results of the national air quality forecast consultation in the second half of January 2021. The results of the consultation pointed out that in the second half of January, affected by cold air, the country’s The air quality of the Ministry is mainly excellent.
Among them, on the 16th, the central and southern Beijing-Tianjin-Hebei, central and northern Yangtze River Delta, Jiangsu, Anhui, Luyu, and Fenwei plains may have light to moderate pollution processes affected by sand and dust transmission; 22-25, southern North China, Fenwei Plain, A regional moderate to severe pollution process may occur in places such as Jiangsu, Anhui, Luyu and other places; a moderate to severe pollution process may occur in the southern part of North China from the 26th to the 31st; 28-31, affected by sand and dust weather, the northern slope of the Tianshan Mountains in Xinjiang The process of moderate to severe pollution may continue.
Beijing-Tianjin-Hebei and surrounding areas: In the
second half of January, the overall air quality in the northern part of the region was mainly good; the central and southern parts were mainly polluted by good to light in the early stage, and moderately to severely polluted in the later period, and the main pollutant was PM2.5 .
Among them, on the 16th, the southern part was mainly polluted with light to moderate pollution, and the primary pollutant was PM10; on the 22nd-25th, the western part was mainly polluted by light to moderate pollution, and the central and southern part was mainly polluted by moderate to severe pollution; 26-31st , The central and southern regions may continue to experience moderate to severe pollution.
Beijing: In the
second half of January, air quality is mainly good.
Among them, on the 20-22 and 27-28, there may be a slight pollution process of PM2.5.
The Yangtze River Delta region: In the
second half of January, the air quality in the north and middle of the region was mainly good to lightly polluted, with PM2.5 as the primary pollutant; and good air quality in the south.
Among them, on the 16th, there was light to moderate pollution in the central and northern regions, with severe local pollution, and good to light pollution in the south, with the primary pollution being PM10 and PM2.5; on the 17-20 and 21-24, the central and northern regions There may be a short-term and moderate pollution process in the local area; from 29 to 31, a moderate pollution process may occur in the central and northern regions, and a good to light pollution in the south.
Jiangsu, Anhui, Shandong and Henan regions: In the
second half of January, regional air quality is dominated by light to moderate pollution, and the primary pollutant is PM2.5.
Among them, on the 16-24 and 29-31, severe pollution may occur locally; on the 25-28, the main pollution is good to light.
Fenwei Plain: In the
second half of January, the air quality in most of the region is mainly from good to light pollution, and the primary pollutant is PM2.5.
Among them, on the 17th, there may be moderate pollution in the southwestern part of Shanxi; on the 19-24, the air quality in most of the region is mainly moderate to heavy pollution; on the 25th, there may be severe pollution in the northwestern part of Henan; on the 29-30, There may be moderate pollution processes in southwestern Shanxi and northwestern Henan.
Northeast China: In the
second half of January, the regional air quality is mainly from good to light pollution, and the primary pollutant is PM2.5.
Among them, on the 16-19th and 23rd, the overall area was mainly good; on the 26-31st, local local pollution may appear slightly.
Southern China: In the
second half of January, most of the region's air quality is mainly good.
Among them, on the 16th, the area as a whole was mainly well-to-slightly polluted. Central Hubei, central Hunan, and central Guangxi may have a moderate PM2.5 pollution process; on the 17-18, local areas in Hubei and western Hunan may have PM2. .5 Light pollution process; 19-20, the local areas of central Hubei, western Hunan, and central and northern Guangxi may have a mild PM2.5 pollution process; local areas in central and northern Guangdong may have a mild O3 pollution process; 22-23 There may be a process of moderate PM2.5 pollution in northern Hunan, and a process of mild PM2.5 pollution may occur in most of Guangdong; 24-25, a process of moderate PM2.5 pollution may occur in northern Hunan and central and eastern Hubei. There may be a process of mild O3 pollution in the central and northern part of Guangdong; from 28 to 31, Hubei and Hunan were mainly polluted by good to light.
Southwest region: In the
second half of January, most of the region's air quality is mainly good.
Among them, on 18-19 and 22-26, the local area of Chengdu-Chongqing urban agglomeration may have mild to moderate PM2.5 pollution.
Northwest Region: In the
second half of January, most of the region's air quality is mainly from good to light pollution, and the primary pollutant is PM2.5.
Among them, on the 16th to 23rd, the local area of southern Xinjiang and the northern slope of Tianshan may have a moderate or above pollution process; on the 18th to 24th, the local area of central and southern Shaanxi may have a moderate or above pollution process; on the 24th, southern and eastern Xinjiang, 28 -On the 31st, the cities on the northern slope of Tianshan Mountains in Xinjiang were affected by sand and dust weather, and the process of moderate PM10 and above pollution may continue.