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meteorological department released the seventh consecutive yellow warning haze. October 30,http://www.simu001.cn]le-millesime.fr/air-jordan-spizike-pas-cher/]air jordan spizike pas cher], 2014, Changchun City, the first release of haze orange warning signal.Changchun Ambient Air Quality data show that real-time dissemination system: at 10:00 on the 30th or so, the air quality index AQI of 251, heavily polluted. To 15:00 more, AQI rose to 500, to serious pollution level. This situation continued until 23:00 and more,http://www.simu001.cn]westsidemedia.co/]barbour france], the air quality index was down to 433.In October 2013,http://www.simu001.cn]hiplille.fr/air-max-femme-pas-cher/]air max femme pas cher], at 2:45 on the 21st, Changchun Municipal Meteorological Observatory issued a red fog warning signal ... at 20:30 on the 22nd, at the Changchun City Board of Education issued a notice: Given Changchun too heavy fog and haze, to ensure that students security, to develop 23 city junior high school, primary school,http://www.simu001.cn]marcelbaey.fr/?cat=13]nike tn], kindergarten day off.Reporters also noted that in 2013 the first day of heating,http://www.simu001.cn]idapt.ru/]veste barbour], no relevant records haze; heating the first day of 2014, Changchun City air quality also appeared "serious pollution", but there is no warning. We can say that this year, the first day of heating "haze" is the most serious in recent years. ? ferretHaze hit the city, you can only rely on the wind?Although.the air flow is blown haze most effective way, even "haze hit the city,http://www.simu001.cn]hiplille.fr/basket-nike-tn-pas-cher/]basket nike tn pas cher], only by the wind" has become a hot friends of the piece,http://www.simu001.cn]john-morton###/]peuterey uomo], but to understand the new culture reporter yesterday found that as early as 2013, the Changchun municipal environmental protection Bureau prepared the "Changchun City air heavy pollution emergency plan.""Plan" provides Changchun heavy air pollution warning level is divided into?,? two warning levels and grading respond. Two warning respectively red,http://www.simu001.cn]le-millesime.fr/nike-tn/]nike tn], orange,http://www.simu001.cn]campcanineusa###/casa.asp?page=abercrombie-bologna/]abercrombie bologna],? level warning (red) to the highest level.Orange warning --- suspended 10% of official vehiclesAccording to "plan",http://www.simu001.cn]campcanineusa###/casa.asp?page=abercrombie-roma/]abercrombie roma], when the orange warning issued, Changchun City, will focus on the implementation of emission reduction units limited production of pollutants by 10%, part of earth and building demolition site shut down, stop open burning and open-air grill, suspended 10 percent of official vehicles and other "four stop "measures to reduce emissions of pollutants mandatory.When necessary, primary and secondary schools closed red warning ---When the red warning issued, an increase in the "four stops" based on the outage, closed and measures to limit the vehicle, that is easy to produce dust contaminated material transport vehicles outage.
PM2.5 concentrations did not change much, more than 300 meters, the value has been significantly reduced,http://www.simu001.cn]incomplete.it]woolrich parka], reaching good levels. But even at the height of 3000 meters, PM2.5 values still not dropped to zero.This experiment speaks of the "live high can escape haze" argument does not hold. Following the experimental results,http://www.simu001.cn]glenlocharsoups###/]hollister femme], in order to stay high through thoroughly to avoid haze, calculate at least to live to over 1000 story skyscraper. ? CountHeating haze it will appear on the first day?It is understood that yesterday's haze has not Changchun has since recorded the worst haze.Last October, a total of 11 days in Changchun was shrouded haze.
but also an important source of PM2.5 emissions from coal burning in.Associated with fluorine jobs can not be ignoredContribution to PM2.5 emission sources of fluoride as high as 11 percent, more than the biomass burning 10%, 7% and 5% of deicing salt fireworks effects,http://www.simu001.cn]westsidemedia.co/]barbour paris], indicating that the manufacturing process associated with the fluorine glass sculpture,http://www.simu001.cn]idapt.ru/]barbour paris], and other local atmospheric PM2 .5 role can not be ignored. ? rumor"Energetic live haze hide" do not fly25, there are users upload his picture taken on the rise, "cloud Changchun,http://www.simu001.cn]outsrc.co/]barbour lyon], a height no haze." Does that mean stay high, you will be able to escape the haze?New Culture reporter search, CCTV ten sets of "So" column has done a haze experiment, when reporters aboard the helicopter,http://www.simu001.cn]momo-beach###/]outlet peuterey], in a haze day haze height measured in Changsha. The results show that: in less than 300 meters height.
CAS Key Laboratory of Wetland Ecology and Environment of the Institute had Northeast simulation of atmospheric aerosol emissions, on January 2012 in Changchun City 4 Sources and time changes in atmospheric PM2.5 monitoring sites were parsed.Analysis: coal emissions are an important source of PM2.5In the secondary aerosol sources of factors,http://www.simu001.cn]delcros###/]zanotti pas cher], not only rich in NH4 +, SO42- and NO3-,http://www.simu001.cn]benefitsme.co/]bonnes affaires], and coal-fired sources indicating the content of Cl- in each factor the highest, indicating that in addition to NOx, SO42- and other atmospheric particles of precursors PM2.5 important contributions.
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