BEIJING, Aug. 19 (Xinhua) -- As the city's air quality had all reached the standards to host the Olympics in all 18 days of August before Tuesday, the Chinese capital was making strides in fulfilling its commitment on good air quality for the Games, a Beijing official said.

"In the 18 days between Aug. 1 and Aug. 18, Beijing's air quality was within the standards to host the Olympics. Of the 18 days, Beijing reported Grade I air quality in n