Morning paper dispatch (reporter Wu Tingting) yesterday, environmental protection ministry is released " bulletin of state of 2012 China environment " , bulletin shows, by ambient air quality new standard is evaluated, quality of the ambient air in city of key of 113 environmental protection of countrywide amounts to mark city proportion to be only 23.9% . Qunorton internet antivirusality of countrywide water environment nots allow hopeful, monitor in 198 cities groundwater in, poorer - the monitoring point scale of extreme difference water quality is about 57% .
Bulletin shows, last year, 325 ground level and quality of above city ambient air still are carried out " standard of ambienthe most popular selling norton internet antivirust air quality " (GB3095-1996) , evaluate accordingly, proportion of the city that amount to mark is 91.4% , but carry out new edition " standard of ambient air quality " hind, proportion of the city that amount to mark is only 40.9% ; Quality of the ambient air in city of key of 113 environmental protection amounts to mark city proportion also by 88.5% fall to 23.9% . Among them, big talk, 3 inferior, promote install, the quality of 11 cities air such as dam of Meizhou, river source, Yang Jiang, A, Gan Zi, Pu Er, Dali, Aletai reachs one level. In addition, acid rain distributinging area basically is reached in along the line of the Yangtse River centrally with south - to the south of Qinghai-Tibet Platean area, 12% what area of acid rain area occupies land area about.
Quality of countrywide water environment nots allow hopeful, fujian of river of river of the Yangtse River, Yellow River, Pearl River, Songhua River, the Huaihe River, the Haihe River, distant, short for Zhejiang Province piece the country of the 10 large drainage area such as river, southwest Zhu He and northwest Zhu He accuses section in, Ⅰ ～ Ⅲ kind the proportion that water quality holds is the largest, it is about 69% , bad Ⅴ kind proportion of water quality section is the smallest, it is about 10% . Water quality of Pearl River catchment, southwest Zhu He and northwest Zhu He actors or actress, the Yangtse River and Fujian of short for Zhejiang Province piece fluvial water quality is good, river of the Yellow River, Songhua Rivefree watch caser, the Huaihe River and distant river are polluted to be spent gently, the Haihe River is in spend pollution. In 60 when monitor laky (reservoir) in, of eutrophication condition laky (reservoir) occupy 25% , the groundwater monitoring point in 198 cities in, admirable - good - the monitoring point scale of better water quality is about 43% , poorer - the monitoring point scale of extreme difference water quality is about 57% .
Bulletin shows, water quality of countrywide alongshore maritime space is overall and general, in 4 seas area, yellow Sea and water quality of Nanhai alongshore maritime space are good, water quality of maritime space of Bohai Sea alongshore is general, extreme difference of water quality of maritime space of alongshore of the East China Sea. In 9 important bay, water quality of Yellow River mouth actors or actress, upper bay water quality is good, bay of rubber administrative division, distant east bay and Fujian estuarine water quality are poor, extreme difference of bay of Bohai Sea bay, mouth of the Yangtse River, Hangzhou and water quality of Pearl River mouth.
■ news background
watch caseAir quality nbrass faucetew standawatch case openerrd adds PM2.5 to be restricted to be worth
In Feburary 2012, " standard of ambienthe best selling watch casest air quality " (GB3095-2012) is released formally, carry out in the whole nation since January 1, 2016. Up to by 2012, beijing ferry look forward to, long triangle, bead city of the key area such as trigonometry and municipality directly under the Central Government, provincial capital and plan sheet list city in all the monitoring net that 74 urban building accord with air quality new standard begins to monitor.
New standard adds PM2.5 newly year 24 hours of average, average concentration are restricted to be worth, increase ozone 8 hours average concentration is restricted to be worth, tighten up PM10 and chroma of 2 oxidation nitrogen to be restricted to be worth, raise the effectiveness requirement of statistic of the data that monitor, put forward partial heavy metal to consult chroma is restricted to be worth.
■ data link
Precipitation slanted last year much capital encounters hundred years receive torrential rain
Bulletin shows, 2012, chinese climate is overall the year's harvest is normal, air temperature is adjacent all the year round, precipitation is overall slant mucwatch casesh. Among them, ministry of middle east of mid, Changjiang Delta reachs ministry of northeast Chinese and Western, northwest area of ferry of Inner Mongolia greater part, Beijing, Xinjiang is southwest fall of ministry and other places slants many 20% ～ 50% , partial area slants many 50% above. 2012, rainstorm process is much, snow of cold wave rain assaults north much ground. Amongwatch case manufacturer them, came 22 days on July 21, beijing, Tianjin and Heibei appear regional especially big rainstorm, beijing average fall amounts to 190.3 millimeter, day precipitation intensity exceeds hundred years to be encountered. Wivancouver to harrison hot springsll come 4 days on November 2, since China north greater part appears into the winter first snowfall, average fall of Beijing whole town 59.2 millimeter, for calendar year nearly 4 times of average in November fall, deepness of the biggthe most popular norton internet antivirusest firn achieves Beijing Yan Qing 47.8 centimeters.
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