Sunday, July 22, 2012

Beijing will build over 30 PM2.5 monitoring stations within this

Beijing will build over 30 PM2.5 monitoring stations within this year
The core is pointed out: The Beijing atmospheric place division chief of Environmental Protection Agency reveals when JianHua's radio of city management of Beijing of acting as a guest, Beijing will build up more than 30 PM2.5s to monitor son's station at the end of the year, and release the data to the outside, there will be monitoring stations in each county.

Yesterday, the Beijing atmospheric place division chief of Environmental Protection Agency revealed when JianHua's radio of city management of Beijing of acting as a guest, Beijing will build up more than 30 PM2.5s to monitor son's station at the end of the year, and release the data to the outside, there will be monitoring stations in each county.

It is in urban and rural areas that 6 build a station first yes

Will it be morning yesterday, Beijing the intersection of Environmental Protection Agency and atmospheric JianHua Yu, division chief of place, say act as a guest broadcast program of city management of Beijing, until the end of this year finish PM2.5 monitor son, stand construction of the network, and release the data to the outside. The whole city will build up the stations of something small and hard of monitoring of more than 30 PM2.5s altogether within the year, is distributed in 16 counties, by representing the level of the whole city well.

Yu JianHua says, monitors the construction of the network, from equipment purchase, install, adjust to staff training, need one cycle, but because the public pays close attention to PM2.5 very much, will utilizing existing equipment, build up the monitoring points of 6 PM2.5s and release the data successively.

Station of 6 pieces of something small and hard built up first, the factor of transmitting, dividing in the function district etc. of combining upper and lower wind directions too chooses the place, there will be central urban district and suburb.

And PM2.5 apparatus to purchasing soon, Yu JianHua says, after the national standard is issued, know the technological demand according to country's request and call for bid, it has very great uncertainty which kind of apparatus is bought at present, but after the technical requirement is put out, while calling for bid, so long as meet national requirement, domestic and import equipment will all be considered.

The monitoring point can't be too close to the pollution sources

While answering audience's Municipal Environmental Protection Agency and American embassy monitoring data issue about Beijing, Yu JianHua says, appraises the air quality of a city, it needs to be representative to monitor the position, according to national standard, position take from 50 meters of pollution sources, this accords with the common method in the world too, it can't be too close to pollution sources such as the car exhaust that air quality monitors the position. It show the intersection of American and position of embassy, in 15 meter about from the intersection of road and distance, close to pollution sources, there will be a bit high a lot number values.

"Monitoring the position that the son stands can't select the cleanest one, can't select the dirtiest place either, also sure not in the desolate and uninhabited place, must be representative. " He says.

Increase newly and afforest mainly in the urban area this year

Yu JianHua reveals, the plan of Beijing is increased by afforestation area of 13333.333 hectares newly this year, it will be mainly distributed in the urban area, will be built in preferably influence more places, such as expressway and backbone roadside in polluting transmitting, and two pollution transmit the passway, southeast and southwest place.

The total amount Qiao ShuFang, division chief of place of Municipal Environmental Protection Agency in Beijing introduces, influences the nitrogen oxide of the air pollution, Beijing discharges nearly 200,000 tons every year, among them the exhaust of motor vehicle accounts for 50%, except that accelerate the old motor vehicle is eliminated, implement five standard petrol in Europe, planting trees will act as the bearing too.


Beijing will build over 30 PM2.5 monitoring stations within this year

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