Overall air quality
You can check the overall air quality through indication color.
Concentration of odor
You can check the concentration of odor through indication color.
Concentration of particles
You can check the concentration of particles as a specific figure and the color displayed for the size of dust particles. The concentration of particles indicates the concentration of particles contaminated first among the PM10 / PM2.5 / PM1.0.
PM Size
The size of dust particles is indicated as a color based on the concentration of particles.