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Air Quality Qualified Rate in Beilun District Reaches 88.5% in the First Three Quarters
2017-10-24 09:25:22

At present, the Environmental Protection Bureau of Beilun district has released the ambient air quality report of the first three quarters. In the first three quarters, the ambient air quality has been significantly improved in our district, with a steady decrease in the emission concentration of major pollutants.

According to the report, Xinqi District Station has effectively monitored the ambient air quality for 269 days. Among them, 74 days are rating excellent, with an increase of 13 days than last year. No heavily polluted days occurred. The air quality qualified rate reaches 88.5 percent, with an increase of 0.4 percent compared with last year, ranking fourth in our city.

According to the indexes, the 95th percentile of the daily average concentration of Sulfur Dioxide (SO2), Nitrogen Dioxide (NO2), inhalable particles (PM10), fine particles (PM2.5) and Carbon Monoxide (CO), as well as the 90th percentile of the daily average concentration of Ozone (O3) are lower than the threshold value of National Ambient Air Quality Standard Class II Standard.

Despite an increase in Ozone (O3) concentration, the average concentration of Sulfur Dioxide (SO2), Nitrogen Dioxide (NO2), inhalable particles (PM10) and fine particles (PM2.5) respectively decreased by 23.1 percent, 5.0 percent, 9.3 percent and 6.3 percent year on year.

It is said that the continuous improvement of the ambient air quality in our district is largely attributed to the efforts in the ambient air pollution prevention and control. Since the beginning of the year, the authorities of our district have been working to promote the management of Volatile Organic Compounds (VOCs) and key air quality control projects. Over 20 enterprises have completed the air quality improvement work; 10 units from provincially managed power plants have been renovated; Ningbo Steel has completed projects such as secondary dedusting renovation of converters and single dedusting renovation (Phase II) of the steelmaking plant; the coal wharfs in our district have also been renovated and officially put multi-functional wharfs into operation, solving the problem of dust pollution caused by coal wharfs to the urban area.

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