| Air Quality
Index Levels |
What Can You Do?
(For more detailed information, visit www.airnow.gov) |
| Good
(0-50) |
No action required. A good day for outdoor exercise! |
| Moderate
(51-100) |
Some people are unusually sensitive to air pollution. If you are one of them, take steps to reduce prolonged or heavy exertion outdoors |
| Unhealthy
for Sensitive
Groups (101-150) |
It’s still OK to exercise outdoors, but if you’re in a sensitive group, take steps to reduce prolonged or heavy exertion. Examples: Take a walk instead of a run; weed the garden instead of doing heavier chores like spreading mulch, or exercise when air quality is better |
| Unhealthy
(151-200) |
Air quality is unhealthy for everyone. Sensitive groups should avoid prolonged or heavy exertion outdoors – a good day to work out at the gym! Everyone should take steps to reduce outdoor exertion. |
| Very Unhealthy (201-300) | Health alert: Sensitive groups should avoid all outdoor exertion. Everyone else should limit it. |
| Hazardous
(301-500) |
Health warnings of emergency conditions. |