Air Quality Guide for Particle Pollution |
|---|
Good |
0-50 |
None |
Moderate |
51-100 |
Unusually sensitive people should consider reducing prolonged or heavy exertion |
Unhealthy for Sensitive Groups |
101-150 |
People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion. |
Unhealthy |
151 to 200 |
People with heart or lung disease, older adults, and children should avoid prolonged or heavy exertion. Everyone else should reduce prolonged or heavy exertion |
Very Unhealthy Alert |
201 to 300 |
People with heart or lung disease, older adults, and children should avoid all physical activity outdoors. Everyone else should avoid prolonged or heavy exertion. |
