83d3eaef__PM2_5_Air_Quality_Index__AQI___Health_Implications
[AQI] 300+ [Air Pollution Level] Hazardous [Health Implications] 
Health alert: everyone may experience more serious health effects
Yashio, Shinagawa, Tokyo, Japan Air Pollution: Real-time PM2.5 Air Quality Index (AQI)
Health Implications