65438+1Beijing will encounter heavy polluted weather in the middle and late October.

It will be New Year's Day soon, and there will be serious pollution in the Beijing-Tianjin wing and surrounding areas. The following weather forecast comes from the Air Quality Forecast Center. The last days of June 5438+ 10, 2008 are doomed to be difficult, and the air will be heavily polluted for the second time. Let's look at more details.

On June 5438+1October 65438+May, 2008, China National Environmental Monitoring Center, together with the Central Meteorological Observatory, the regional air quality forecasting centers in Northeast China, South China, Southwest China, Northwest China and the Yangtze River Delta, and the Beijing Environmental Protection Monitoring Center, held a national air quality forecasting conference in the middle and late June of 2008. The results are reported as follows:

According to Weibo, Ministry of Ecology and Environment, on June 5, 2008, 5438+1October 15, China National Environmental Monitoring Center, the Central Meteorological Observatory, the regional air quality forecasting centers in Northeast China, South China, Southwest China, Northwest China and Yangtze River Delta, and the Beijing Environmental Protection Monitoring Center held a national air quality forecasting conference in the middle and late June of 2008. The results are reported as follows:

1. Beijing-Tianjin-Hebei and its surrounding areas: In the future 10 days, the atmospheric diffusion conditions in the early and late stages of the region are unfavorable, and there may be two moderate to severe pollution processes. In the medium term, the air quality will be better due to the influence of cold air. Among them, on 16, the diffusion conditions began to deteriorate, with good to light pollution in most areas, and moderate pollution may occur in central and southern Hebei, southwestern Shanxi and western Shandong.

18 July-August, the diffusion conditions are unfavorable, and moderate to severe pollution may occur in central and southern Beijing-Tianjin-Hebei, southwestern Shanxi, western Shandong and northern Henan.

10 September 9-10 October 20, affected by the cold air process, the diffusion conditions are favorable, most areas are excellent, and some cities may be slightly polluted.

65438+1October 22-February 22, the regional diffusion conditions are generally good, and pollutants may accumulate in some areas for a short time. Most areas are dominated by good to light pollution, and some cities in central and southern Beijing-Tianjin-Hebei and southwestern Shanxi may have moderate pollution.

From 23rd to 24th, the diffusion conditions deteriorated, with light to moderate pollution in the northern part of the region, and light to moderate pollution in the central and southern parts of Beijing-Tianjin-Hebei, southwestern Shanxi, western Shandong and northern Henan. Among them, severe pollution may occur in central and southern Hebei on the 24 th.

On the 25th, affected by cold air, the diffusion conditions were favorable, and most areas were dominated by good to light pollution.

Beijing: In the next 10 day, the diffusion conditions will fluctuate, and there may be two light to moderate pollution processes. Among them, on 16, the diffusion conditions were favorable and the air quality was excellent.

18 July-August, the diffusion conditions deteriorated, and the air quality was light to moderate pollution.

On September 9-2 1 day, the diffusion conditions improved and the air quality was excellent.

On February 24-24, the diffusion conditions were unfavorable, and moderate pollution may occur on February 24.

On the 25th, the diffusion conditions improved, and the air quality was dominated by light pollution.

Two. Yangtze River Delta region: In the next 15 days, the region will be dominated by good to light pollution in the early stage, and will be affected by pollution transmission in the middle and late stage. Air quality will be dominated by light to moderate pollution, and heavy pollution may occur locally. The primary pollutant is PM2.5

Among them, from 16 to 17, the pollution in the central and northern regions is mainly good to light, and the pollution in the southern region is mainly good.

August18-1October 20 10, due to the influence of cold air, the pollution in the central and northern regions is light to moderate, the local area is heavily polluted for a short time, and the southern region is moderately to lightly polluted.

65438+1October 26-65438+1October 26, the area changed from high pressure front to high pressure control, with light pollution in the central and northern areas, moderate pollution in some areas and good to light pollution in other areas.

July 27th to June 30th, 10

From April 24th to June 26th, due to the influence of cold air, the diffusion conditions improved slightly, with light pollution in most areas, moderate pollution in local areas and heavy pollution in northwest Henan on 26th. From July 7 to June 30 10, the diffusion conditions were poor, and most areas were dominated by moderate to severe pollution.

Four. Northeast China: In the next 15 days, the diffusion conditions are generally good, and the air quality is dominated by excellent to light pollution, and moderate pollution may occur in some periods. Among them, 16 ~ 17, affected by continuous cold air, has good diffusion conditions, and the region is mainly excellent.

From August 19 to August 19, the wind weakened and the diffusion conditions were unfavorable. The area is dominated by good to light pollution, and light to moderate pollution may occur in some areas.

18 years1October 20 to1February 22, 8, affected by a new round of cold air, the pollutant removal effect is good and the regional air quality is excellent.

From March 24 to April 24, the regional air quality was mainly excellent, and the local air quality was good to light pollution.

From May 25th to July 27th, affected by northerly winds, the diffusion conditions improved, and most areas were excellent.

Verb (abbreviation of verb) South China: In the next 15 days, the diffusion conditions are general, and the air quality in most areas is good. In the early stage and weakening period of cold air, local moderate to severe pollution will occur in the northern and central and western regions, with PM2.5 or PM 10 as the primary pollutant and PM2.5 or NO2 in cities in the Pearl River Delta.

Among them, 15 to 17 are affected by moderately strong cold air, with favorable diffusion conditions in most areas and excellent air quality. Hubei and Hunan are affected by pollution transmission, and the pollution is mainly good to mild.

August1August-August 19, the influence of cold air ended and the diffusion conditions became worse. Hubei, Hunan and Guangdong regions are dominated by good to light pollution, and moderate pollution may occur in central Hubei.

654381October 20 to1October 2 1 day, affected by weak cold air and precipitation, Hunan and Hubei were mainly lightly to moderately polluted, while central Hubei may be moderately to severely polluted, and other areas were excellent.

From February 24 to April 24, the diffusion conditions in most parts of the region were general, and the air quality was mainly good to light pollution. Moderate pollution may occur in central Hubei and central Guangxi.

On May 25 -3 1 day, the diffusion conditions in most parts of the region were general, and the air quality was mainly good to light pollution. Most of Hubei and central and western Guangdong are moderately polluted, and central Hubei may be heavily polluted.

Southwest China: In the next 15 days, the diffusion conditions in the early stage of the region are good, and the air quality is mainly excellent. There may be many pollution processes in the later stage, and the primary pollutant is PM2.5

Among them, 16 to 17, affected by strong cold air, the regional air quality is mainly excellent.

August 18 to August 19, pollution accumulation. Chengdu Plain and some cities in southern Sichuan are lightly to moderately polluted. Chengdu-Chongqing urban agglomeration and other cities in Guizhou are mainly lightly polluted. Heavy pollution may occur in some cities in the southwest of Chengdu-Chongqing urban agglomeration, and other cities are superior.

1October 20th 10 to1October 2nd1,affected by weak cold air, the pollution process was alleviated. The air quality of Chengdu-Chongqing urban agglomeration is dominated by good to light pollution, while that of northeast Sichuan is dominated by good pollution, and other areas are superior.

From 22 to 25, Chengdu Plain and some cities in southern Sichuan were lightly to moderately polluted, while Chengdu-Chongqing urban agglomeration and other cities in Guizhou were mainly lightly polluted. Some cities in the southwest of Chengdu-Chongqing urban agglomeration may be heavily polluted, and other cities are superior.

From June 26th to July 27th, due to the disturbance of weak cold air, the pollution process was alleviated. The air quality in Chengdu-Chongqing urban agglomeration was mainly good to light pollution, while that in northeast Sichuan and Chongqing was mainly good. Some cities in Chengdu Plain may be moderately polluted, and some cities are superior.

After 28th, a moderate to severe pollution process may occur in Chengdu-Chongqing urban agglomeration. Some cities in Guizhou are dominated by good to light pollution, while other cities are superior.

Seven. Northwest China: In the next 15 days, the diffusion conditions in the central region are relatively favorable, while those in the eastern and western regions are relatively poor.

18 years120 October to122 February/8, the central and eastern parts of the region were affected by cold air, and the diffusion conditions were relatively favorable, while the diffusion conditions in the west continued to be poor. Most areas are mainly good, and local pollution may be slight. On the 22nd, the local area in Guanzhong, Shaanxi Province may be moderately polluted, and the cities on the northern slope of Tianshan Mountain in Xinjiang are mainly moderately to severely polluted.

On the 23rd, the diffusion conditions were relatively unfavorable. Most areas are dominated by good to light pollution, and cities such as Guanzhong in Shaanxi and the northern slope of Tianshan Mountain in Xinjiang may have moderate to severe pollution.

From April 24 to June 26, due to the influence of cold air, the diffusion conditions in the central and eastern parts of the region are relatively favorable, while those in the west are relatively unfavorable. Most areas are good, and some areas may be slightly polluted.

From May 25 to June 26, moderate pollution may occur in Guanzhong, Shaanxi Province, and moderate to severe pollution is dominant on the northern slope of Tianshan Mountain in Xinjiang.

From July 27th to June 30th 10, the diffusion conditions in the central and western regions are favorable, while those in the eastern region are poor. Most areas are dominated by light to moderate pollution, Shaanxi Guanzhong is dominated by moderate to severe pollution, and cities on the northern slope of Tianshan Mountain in Xinjiang may have moderate pollution. Affected by dust, moderate to severe pollution may occur in parts of southern Xinjiang.