Chinanews.com, November 16th. According to the official WeChat message of the Ministry of Ecology and Environment, the Ministry of Ecology and Environment today announced the results of the national air quality forecast consultation in the second half of November: In the second half of November, affected by multiple cold air, most of the country spread The conditions are generally good. The air quality is mainly from good to light pollution, and the primary pollutant is mainly particulate matter.
Diffusion conditions in the early and late stages are poor, and there may be a staged PM2.5 moderate to severe pollution process locally.
According to the notification, on November 16, the China Environmental Monitoring Center, together with the Central Meteorological Observatory, the National Air Pollution Prevention and Control Center, the Northeast, South, Southwest, Northwest, and Yangtze River Delta Regional Air Quality Prediction and Forecast Centers, and the Beijing Ecological Environment Monitoring Center, launched 11 The second half of the month (November 16-30) National Air Quality Forecast Conference.
In the second half of November, due to the influence of multiple strands of cold air, the diffusion conditions in most areas of the country were generally good. The air quality was mainly from good to light pollution, and the main pollutants were particulate matter.
Diffusion conditions in the early and late stages are poor, and there may be a staged PM2.5 moderate to severe pollution process locally.
Among them, from 16 to 18, the central and southern parts of the Beijing-Tianjin-Hebei region and surrounding areas, as well as the Fenwei Plain, may have a moderate to severe PM2.5 pollution process; from 19 to 25, conditions for spreading in most areas of the country are relatively good. There may be a moderate PM2.5 pollution process in the border areas of Henan, the Fen-Wei Plain and the Northeast region; on the 26th to 30th, the diffusion conditions will generally deteriorate, and PM2 may appear in the central and southern parts of the Beijing-Tianjin-Hebei region and surrounding areas and most of the Fen-Wei Plain .5 Moderate or above pollution process.
Beijing-Tianjin-Hebei and surrounding areas: In the second half of November, most of the area was mainly polluted with good to light levels, and the primary pollutant was PM2.5.
Among them, on 16-17, mild to moderate PM2.5 pollution may occur in central and southern Shanxi and southern Henan, and moderate to severe PM2.5 pollution may occur in central and southern Beijing-Tianjin-Hebei, western Shandong, and central and northern Henan. Individual cities may have severe pollution; on the 18th, there may be moderate PM2.5 pollution in the central and southern part of Hebei; on the 19-25th, most of the region is mainly good; on the 26-30th, PM2.5 may appear in the central and southern regions of the region Moderately polluted process.
Beijing: In the second half of November, the air quality is mainly good.
Among them, the air quality continued to be excellent on the 18th to the 27th; mild or moderate PM2.5 pollution may occur on the 16-17 and 28-30.
Yangtze River Delta region: In the second half of November, the air quality in most of the region is mainly good.
Among them, on 19-20 and 28-30, mild PM2.5 pollution may occur in the central and northern parts of the region.
Jiangsu, Anhui, Shandong and Henan regions: In the second half of November, 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 23rd to 24th, a moderate PM2.5 pollution process may occur locally.
Fenwei Plain: In the second half of November, the air quality in most of the region is mainly from good to light pollution, and the primary pollutant is PM2.5 or PM10.
Among them, on the 20th and 23-24, the area may have a moderate PM2.5 pollution process.
From the 25th to the 30th, the air quality in most of the region was mainly moderate to heavy pollution, and the primary pollutant was PM2.5.
Northeast China: In the second half of November, the air quality in most of the region is mainly good, and the air quality in the central and southern parts of the later period is mainly good to light pollution.
Among them, on 16-17, Liaoning may have a mild to moderate PM2.5 pollution process, and there may be short-term severe local pollution; on 20-21, there may be short-term PM2.5 moderate and above pollution in the region. ; On the 24-30th, a mild to moderate PM2.5 pollution process may occur locally in Liaoning.
Southern China: In the second half of November, most of the region's air quality is mainly good.
Among them, from 16-17, some areas of Hubei, Hunan, and Guangxi may have slight pollution of PM2.5 or ozone; on the 19th, there may be slight pollution of PM2.5 or ozone in southern Hunan; and on the 20-21, most of Hunan There may be a slight pollution process of PM2.5 or ozone; on the 24-28th, there may be a slight pollution process of PM2.5 or ozone in parts of Hunan and Guangdong. On the 29th-30th, there may be PM2.5 or good ozone in central and northern Hunan. Lightly polluted process.
Southwest China: In the second half of November, the air quality in most of the region is mainly good.
Among them, on 16-17, some cities in southern Sichuan may have a mild to moderate PM2.5 pollution process, and the eastern Sichuan Basin, the Chengdu Plain and the local area of Guizhou may have a mild PM2.5 pollution process.
Northwest region: In the second half of November, the air quality in the central and western regions of the region is mainly good, and local light pollution may occur. The primary pollutant is PM2.5 or PM10; on the 16th to 24th, the air quality in the eastern region ranges from good to mild. Pollution is the main cause, and a moderate PM2.5 or PM10 pollution process may occur locally, and a moderate to severe PM2.5 pollution process may occur in the eastern part of the region on 25-30 days.