83d3eaef__PM2_5_Air_Quality_Index__AQI___Health_Implications
[AQI] 0 - 50 [Air Pollution Level] Good [Health Implications] 
Air quality is considered satisfactory, and air pollution poses little or no risk
Yashio, Shinagawa, Tokyo, Japan Air Pollution: Real-time PM2.5 Air Quality Index (AQI)
Health Implications