Beijing hospital visits rise due to pollution: media
Doctors in Beijing said that hospital admissions for respiratory complaints rose in recent days during the latest bout of pollution, as air quality in the city began to improve.
The US embassy's air quality index stood at a "very unhealthy" 233 this morning.
This after it peaked at more than 500 on Tuesday.
The Beijing municipality's figure was 184 or lightly polluted at 10am.
Beijing and vast swathes of China have experienced several bouts of heavy pollution over the last month, lowering visibility and leading to transport disruption.
The capital has ordered the emergency closure of factories and removed government vehicles from the streets in an effort to reduce the haze.