bf2cd4f9_eijing____Birding_Beijing_北京观鸟__Health_Implications
[AQI] 201–300 [Air Pollution Level] Heavily Polluted [Health Implications] 
Healthy people will be noticeably affected. People with breathing or heart problems will experience reduced endurance in activities. These individuals and elders should remain indoors and restrict activities.
PRZEVALSKI’S REDSTART in Beijing! | Birding Beijing 北京观鸟
Health Implications