Heavy polluted weather will appear in the middle and late June 5438 in Beijing.

The Spring Festival is coming 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 few days of 20 19 1 are doomed to be difficult, and the air will be heavily polluted twice. Let's look at more specific details.

2065438+On June 5, 2009, 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 Yangtze River Delta, and Beijing Environmental Protection Monitoring Center, held a national air quality forecasting conference in the middle and late of 2065438+2009 10. The results are hereby notified as follows:

According to Weibo, Ministry of Ecology and Environment, on June 5, 20 19, 19, China National Environmental Monitoring Center, together with the Central Meteorological Observatory, regional air quality forecasting centers in Northeast China, South China, Southwest China, Northwest China and Yangtze River Delta, and Beijing Environmental Protection Monitoring Center, held a national air conference in the middle and late of 20 19/0. The results are hereby notified 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, it is affected by cold air, and the air quality is good. 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.

From June 5438+07 to June 5438+08, 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.

19 ~ 20, affected by the cold air process, the diffusion conditions are favorable, most areas are excellent, and some cities may be slightly polluted.

2 1 ~ 22, the regional diffusion conditions are favorable as a whole, 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 23 to 24, 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 and Hebei, southwestern Shanxi, western Shandong and northern Henan; Among them, serious 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.

17 ~ 18, the diffusion conditions deteriorated, and the air quality was light to moderate pollution.

19 to 2 1, the diffusion conditions are improved and the air quality is excellent.

From 22nd to 24th, the diffusion conditions are unfavorable, and moderate pollution may occur on 24th.

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

Second, the Yangtze River Delta region: In the future 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, 16 to 17, the pollution in the central and northern areas is good to mild, and the southern areas are mainly good.

During the period of 18 ~ 20, affected by cold air, the pollution in the central and northern areas was light to moderate, the local area was heavily polluted for a short time, and the southern area was good to light.

2 1 ~ 26, the area changed from high pressure front to high pressure control, with light pollution in the central and northern areas, moderate pollution in the local area and good to light pollution in other areas.

From 27 to 30, the area was controlled from the bottom of the high pressure to the back of the high pressure, with mild pollution in the inland areas of central and northern China, moderate pollution in the local area and good in other areas.

3. Wei Fen Plain: In the next 15 days, the regional diffusion conditions will be general in the early stage, improved in the middle stage due to the influence of cold air, and poor in the later stage, which may lead to regional heavy pollution. Among them, on June 5438+06, most areas were dominated by good to light pollution.

17 ~ 19, most areas are controlled by weak pressure field, and the diffusion conditions are relatively unfavorable. Most areas are dominated by mild to moderate pollution, and some cities may have severe pollution.

From 20 to 22, due to the influence of cold air, the diffusion conditions are relatively favorable, with good to light pollution in most areas, and moderate pollution may occur locally on the 22 nd.

On the 23rd, the diffusion conditions were poor, and most of the area was dominated by light to moderate pollution, and there may be severe pollution in the local area.

From 24th to 26th, affected by cold air, the diffusion conditions improved slightly. Most areas are dominated by light pollution, and moderate pollution may occur locally. On the 26th, there may be serious pollution in northwest Henan. From 27 to 30 days, 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 June 5438+08 to June 5438+09, 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.

From 20 to 22, affected by a new round of cold air, the pollutant removal effect was good and the regional air quality was excellent.

From 23 to 24, the regional air quality was mainly excellent, and the local area was good to slightly polluted.

From 25th to 27th, due to the influence of northerly winds, the diffusion conditions improved, and most areas were excellent.

5. South China region: In the next 15 days, the diffusion conditions are general, and the air quality in most parts of the region is mainly good. In the early stage and weakening period of cold air impact, 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, from June 5438+05 to June 5438+07, due to the influence of moderate and strong cold air, the diffusion conditions in most parts of the region were favorable, and the air quality was mainly excellent. Hubei and Hunan were mainly polluted and mainly polluted.

18 ~ 19, the influence of cold air ended and the diffusion conditions became worse. Good to light pollution is the main pollution in the two lakes and Guangdong and Guangxi, and moderate pollution may occur in central Hubei.

20-2 1, affected by weak cold air and precipitation, Hunan and Hubei are dominated by good to light pollution, and moderate to severe pollution may occur in central Hubei, and other areas are excellent.

From 22 to 24, the diffusion conditions in most parts of the region are general, and the air quality is mainly good to light pollution, and moderate pollution may occur in central Hubei and central Guangxi.

From 25th to 3rd1,the diffusion conditions in most parts of the region are general, and the air quality is mainly good to light pollution, while most parts of Hubei and central and western Guangdong are moderately polluted, and there may be severe pollution in central Hubei.

6. 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 ~ 17 is affected by strong cold air, and the regional air quality is mainly excellent.

During the period from 18 to 19, pollution accumulated. Chengdu Plain and some cities in southern Sichuan are light to moderate pollution, while other cities in Chengdu-Chongqing urban agglomeration and parts of Guizhou are mainly light to moderate pollution. Some cities in the southwest of Chengdu-Chongqing urban agglomeration may be heavily polluted, while others are excellent.

20-2 1, affected by weak cold air, the pollution process is alleviated, and the air quality of Chengdu-Chongqing urban agglomeration is mainly good to light pollution, with good in northeast Sichuan and excellent in other areas.

From 22 to 25, Chengdu Plain and some cities in southern Sichuan suffered from mild to moderate pollution, while other cities in Chengdu-Chongqing urban agglomeration and parts of Guizhou were dominated by good to mild pollution. Heavy pollution may occur in some cities in the southwest of Chengdu-Chongqing urban agglomeration, and other cities are superior.

On 26th-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, Chengdu-Chongqing urban agglomeration may have moderate to severe pollution process, some cities in Guizhou are dominated by good to light pollution, while others are superior.

7. 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. Heavy pollution may occur in Guanzhong, Shaanxi, and cities on the northern slope of Tianshan Mountain in Xinjiang, and sand blowing or floating dust continues to appear in southern Xinjiang. Among them, on 16, the diffusion conditions were general, and most areas were mainly good, with local light pollution; Moderate pollution may occur in the cities on the northern slope of Tianshan Mountain in Xinjiang.

17 ~ 19, the diffusion conditions in the central part of the region are general, and the eastern and western parts are relatively unfavorable. Most areas are dominated by light to moderate pollution, and Shaanxi Guanzhong is dominated by light to moderate pollution. 18 may have serious pollution, and the cities on the northern slope of Tianshan Mountain in Xinjiang are mainly light to moderate pollution.

From 20 to 22, 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 good, and some areas may be slightly polluted. On the 22nd, there may be moderate pollution in Guanzhong, Shaanxi Province, and the cities on the northern slope of Tianshan Mountain in Xinjiang are dominated by moderate to severe pollution.

On the 23rd, the diffusion conditions were relatively unfavorable, with good to mild pollution in most areas, and moderate to severe pollution may occur in cities in Guanzhong, Shaanxi Province and the northern slope of Tianshan Mountain in Xinjiang.

From 24th to 26th, 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 in the region are mainly good, and some areas may be slightly polluted.

From 25th to 26th, moderate pollution may occur in some periods in Guanzhong, Shaanxi Province, and the cities on the northern slope of Tianshan Mountain in Xinjiang are dominated by moderate to severe pollution.

From 27 to 30, the diffusion conditions in the central and western regions are favorable, while those in the eastern region are poor. Most areas are dominated by good to light pollution, and Guanzhong, Shaanxi Province is dominated by moderate to heavy 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.