bf2cd4f9_eijing____Birding_Beijing_北京观鸟__Health_Implications
[AQI] 300+ [Air Pollution Level] Severely Polluted [Health Implications] 
Healthy people will experience reduced endurance in activities. There may be strong irritations and symptoms and may trigger other illnesses. Elders and the sick should remain indoors and avoid exercise. Healthy individuals should avoid out door activities.
PRZEVALSKI’S REDSTART in Beijing! | Birding Beijing 北京观鸟
Health Implications