| Air Quality Index (AQI) Values |
Levels of Health Concern |
Colors |
| 0 to 50 |
Good |
No health implications. |
| 51 to 100 |
Moderate |
Few hypersensitive individuals should reduce outdoor exercise. |
| 101 to 150 |
Unhealthy for Sensitive Groups |
Slight irritations may occur, individuals with breathing or heart problems should reduce outdoor exercise. |
| 151 to 200 |
Unhealthy |
May have harmful impacts on patients and members of sensitive groups (children, aged or weak people), and also cause the general public unpleasant feelings. |
| 201 to 300 |
Very Unhealthy |
Healthy people will be noticeably affected. People with breathing or heart problems will experience reduced endurance in activities. These individuals and elders should remain indoors and restrict activities. |
| 301 to 500 |
Hazardous |
Healthy people will experience reduced endurance in activities. There may be strong irritations and symptoms and may trigger other illnesses. Elders and the sick should remain indoors and avoid exercise. Healthy individuals should avoid out door activities. |
