Beijing meets national air pollutant standard for first time
Beijing meets national air pollutant standard for first time
- The improvements mean the capital's average air quality ranks eighth among all cities in China. Beijing entered the top 10 rankings for the first time in December. Other major pollutants also saw significant falls in Beijing last month, according to the bureau. Levels of sulphur dioxide, nitrogen dioxide and ...
- The improvements mean the capital's average air quality ranks eighth among all cities in China. Beijing entered the top 10 rankings for the first time in December. Other major pollutants also saw significant falls in Beijing last month, according to the bureau. Levels of sulphur dioxide, nitrogen dioxide and ...