Beijing launches stricter air quality monitoring
Source: Xinhua |
January 22, 2012, Sunday
|
Print Edition
Print Edition
THE much-anticipated PM2.5 measure of air quality was launched yesterday by Beijing's environment authority, fulfilling its promise of publishing the data ahead of the Spring Festival.
The Beijing Environment Protection Monitoring Center said its monitoring station along the second ring road had detected 0.003 micrograms per cubic meter, suggesting the air quality is good.
The PM2.5 gauge is considered stricter than Beijing's previous standard of PM10 as it monitors "fine" particles 2.5 microns or less in diameter.
A fierce online public debate on PM2.5 and PM10 began at the end of last year when it came to light that air-quality monitoring results released by Beijing's weather forecast station and the US Embassy in the capital often differed.
The embassy said its air-quality rating was "good" yesterday.
The Beijing Environment Protection Monitoring Center said its monitoring station along the second ring road had detected 0.003 micrograms per cubic meter, suggesting the air quality is good.
The PM2.5 gauge is considered stricter than Beijing's previous standard of PM10 as it monitors "fine" particles 2.5 microns or less in diameter.
A fierce online public debate on PM2.5 and PM10 began at the end of last year when it came to light that air-quality monitoring results released by Beijing's weather forecast station and the US Embassy in the capital often differed.
The embassy said its air-quality rating was "good" yesterday.
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