Ministry of environmental protection released on August 10 worst city air

According to the website of national environmental protection, environmental protection department officials recently released to the media in August 2013 beijing-tianjin-hebei,45Degree short radius carbon steel elbow Yangtze river delta, the pearl river delta region, and municipality directly under the central government, provincial capitals and cities under separate state planning in 74 cities, such as air quality condition. With the worst air quality in ten cities, beijing-tianjin-hebei accounted for eight.

According to the results, in August, 74 cities standard number range is 9.7% ~ 9.7%, the average of 66.7%. Average excess days was 33.3%, of which the light pollution accounted for 24.9%,long radius butt weld 90 degree elbow moderate pollution (6.6%), severe pollution accounted for 1.8%. The six cities such as haikou, fuzhou and guiyang days of target proportion reaches 100%, nanchang, nanning, Harbin 22 cities such as standard number ratio over 80%, shaoxing, huizhou, zhenjiang 27 cities such as standard number range of 50% - 50%,schedule 40 hot dipped galvanized steel pipe 19 cities standard number less than 50%. Exceed the number of days in the number of days with O3 and PM2.5 as primary pollutants more, respectively 74.9% and 19.8% of the standard number of days. Compared with July 74 cities to mark the day was down 4.0%, heavy pollution days rose 0.1%. According to the urban environment air quality comprehensive index evaluation, the relatively poor air quality in August the top 10 cities are xingtai, tangshan, handan, shijiazhuang,10 inch thick wall galvanized seamless carbon steel pipe sch160 jinan, tianjin, hengshui, xi 'an, baoding, langfang; Air quality is relatively good top 10 cities of haikou, yinchuan, fuzhou, zhoushan, lishui, zhuhai, Harbin, guiyang, kunming and Lhasa; In the top 10 cities, zhoushan, lishui, Harbin, air quality has improved markedly, month in Lhasa, zhuhai, haikou, fuzhou yinchuan, guiyang, kunming and other coastal and mountainous cities remained stable.

Beijing-tianjin-hebei region 13 cities air quality standard number range is 12.9% ~ 12.9%, the average standard number proportion is 34.6%, average excess days, 65.4% to 2.7% of heavy pollution days. 13 cities in chengde standard number ratio of only 64.5%, other cities standard number proportion less than 50%. Beijing-tianjin-hebei region exceed the number of days with O3 and PM2.5 as primary pollutants in the number of days the most, accounting for 48.3% of the standard number of days and 48.3% respectively. Compared with July, 13 of the beijing-tianjin-hebei region urban air quality standard number of days on average ratio from 36.5% to 36.5%, down 2.0%.

25 cities in Yangtze river delta air quality standard number range is 45.2% ~ 45.2%, the average standard number proportion is 67.2%, average excess days, 32.8% to 2.5% with high levels of pollution. 25 cities in lishui, nanjing and chuzhou six cities such as air quality standard number of days between 80% ~ 100%, the three cities such as suzhou, huzhou and yancheng standard number less than 50%. Yangtze river delta region to exceed bid to O3 as primary pollutants in the number of days the most number of days, accounting for 97.6% of the standard number of days, followed by PM2.5, accounting for 2.4% of the standard number of days. Compared with July, 25 cities in Yangtze river delta air quality standard number of days on average ratio from 73.5% to 73.5%, down 6.3%.