Lasting fog haze weather of today in Beijing Serious pollution of some areas
There is not the fog " Forgive " Passed in Beijing, yesterday's slight pollution of air quality, the inhalable particles PM10 density of the monitoring station of newly developed area in the north of Haidian were up to 522 micrograms / cubic meter, Liangxiang PM10 the density reaches 519 micrograms / cubic meter at the higher primary school the most. It is estimated today, the air quality of this city will be very difficult to resume, the area of southeast of this city, the southwest will be the serious pollution.
City monitoring center in environment protecting mode shows, since noon the day before yesterday, difference rotates in the diffusion terms of pollutant of the air, PM10 is being accumulated constantly. The density exceeded 200 micrograms / cubic meter every station hour of the day before yesterday; The late peak arises, the density exceeds 300 micrograms / cubic meter in most station hours. Will it be before dawn yesterday, follow fog, aggravate, density raise, some area the density exceeded 500 micrograms / cubic meter (Liangxiang) at the higher primary school the most ,Among them the 8 o'clock to 9 o'clock yesterday of newly developed area of the north of Haidian, PM10 density was 522 micrograms / cubic meter; PM10 density at 14 o'clock yesterday in Liangxiang is up to 519 micrograms / cubic meter; PM10 density was 783 micrograms / cubic meter at 17 o'clock yesterday in Chaoyang District Agricultural Exhibition Center. The district of city six has exceeded 350 micrograms / cubic meter monitoring PM10 density that the son stood in the regional air mostly, reach the level of intermediate pollution.
It is daytime today, it is estimated this city will continue the overcast and foggy weather of lasting it, the humidity is large, the wind speed is little, unfavorable to the diffusion of the pollutant. The monitoring center in environment protecting mode of the city says, estimate the area of southeast of this city, the southwest will be the serious pollution, northwestern part, Northeast are the slight pollution, the district of city six is the intermediate pollution.
The reporter knows, air pollution index (API) In less than 50, the air quality grade is the first grade, excellent. In 51-100, it is second, good. In 101-200, it is tertiary, slight to slight pollution. In 201-300, for being intermediate to hit serious pollution. In 301-500, it is the serious pollution.
-Warning
Under the intermediate pollution condition, heart disease and consumptive's symptom are aggravated notably, movement tolerance is reduced, generally present symptom in the healthy crowd. Advise the elderly, heart disease, consumptive to stay in the room, and reduce the physical exertion. Under the serious pollution condition, healthy people's movement tolerance is reduced, there are obvious strong symptoms, some diseases appear ahead of time. Advise the elderly and patient to stay in the room, avoid the physical demands, the general crowd should avoid the outdoor sports.
-Extend and read
Sent the yellow prewarning of the fog two times yesterday
News of morning paper (reporter Wang HaiLiang) The fog shrouded the capital for a whole day yesterday, visibility did not take a favorable turn all the time, the meteorological observatory of the city sent the yellow early warning signal of the fog two times in the morning and at dusk. The meteorological expert says, the urban visibility in the whole city was the poorest yesterday. Extend the strong fog today, air state will not get obvious improvement until this Saturday.
Yesterday morning, a fog was boundless and indistinct, the visibility of most areas of the whole city was lower than 1 kilometer (such as Fig.) ,A few areas are only 200 to 300 meters. At 55 past 7, the meteorological observatory of the city gives out the yellow early warning signal of the fog. Thereafter, though raise the fog haze situation to slightly improve with the temperature, the sky is still as being covered by the big ashy cover. At 17 o'clock, the meteorological observatory of the city republishes the yellow early warning signal of the fog, " because the fog will also continue aggravating after nightfall. " The expert of meteorological observatory of city said, that had the poorest visibility of yesterday is the urban area, only have 1 kilometer too when visibility was good in the daytime, but " some places have reached about 3 kilometers outside Fifth Ring Road " .
In addition, yesterday afternoon's it holds a conference or consultation to reveal, the snowfall of the daytime of today would delay not appearing until close at dusk very possibly in the meteorological observatory of the city, and may just fragmentary slight snow, expect main snowy period from tonight to tomorrow morning.
Morning paper reporter Li MuYi /take the photograph
Lasting fog haze weather of today in Beijing Serious pollution of some areas
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