Air Mentor is a real time Indoor Air Quality Monitor that can detect most gas pollution and dust pollution suggested by WHO indoor air quality report. Air Mentor detect items include TVOC (Total Volatile Organic Compounds), CO2, Particle Matters, Temperature, and Relative Humidity. Air Mentor APP -Shows the real time air quality report detected from Air Mentor devices. -Record the historical data and show the air quality change. -Analyzes the history patterns and give suggestions to users for air quality improvement by expert advising system. -Provides users a event editor, and users can record activities then trace it with air quality variation for long term health.