| value(ug/m³) | Air quality Grades | Wind speed(Auto) | Grade light colors |
PM2.5 | 000-035 | Excellent | 1 | Green |
036-075 | 2 | |||
076-115 | good | 3 | Yellow | |
116-150 | 4 | |||
151-250 | Poor | 5 | Red | |
251-500 | 6 |
| figures(mg/m³) | Air quality grades | Wind speed(Auto) | Grade light colors |
VOC | 0.00-0.30 | Excellent | 1 | Green |
0.31-0.60 | 2 | |||
0.61-0.90 | good | 3 | Yellow | |
0.91-1.20 | 4 | |||
1.21-2.0 | Poor | 5 | Red | |
>2.0 | 6 |
| Figures(mg/m³) | Air quality grades | Wind speed(Auto) | Grade light colors |
Formaldehyde | 0.00-0.05 | Excellent | 1 | Green |
0.06-0.1 | 2 | |||
0.11-0.17 | good | 3 | Yellow | |
0.18-0.25 | 4 | |||
0.26-0.35 | Poor | 5 | Red | |
>0.35 | 6 |