Index Values | Levels of Health Concern | Cautionary Statements | | 0-50 | Good | None | | 51-100 | Moderate | Unusually sensitive people should consider limiting prolonged outdoor exertion. | | 101-150 | Unhealthy for Sensitive Groups | Active children and adults, and people with respiratory disease, such as asthma, should limit prolonged outdoor exertion. | | 151-200 | Unhealthy | Active children and adults, and people with respiratory disease, such as asthma, should avoid prolonged outdoor exertion; everyone else, especially children, should limit prolonged outdoor exertion. | | 201 - 300 | Very Unhealthy | Active children and adults, and people with respiratory disease, such as asthma, should avoid all outdoor exertion; everyone else, especially children, should limit outdoor exertion. | | 301 - 500 | Hazardous | Everyone should avoid all outdoor exertion. |
| | What You Can Do | | Ozone Action Day tips: | - Conserve electricity and set your air conditioner at a higher temperature.
- Choose a cleaner commute—share a ride to work or use public transportation.
Bicycle or walk to errands when possible. - Defer use of gasoline-powered lawn and garden equipment.
- Refuel cars and trucks after dusk.
- Combine errands and reduce trips.
- Limit engine idling.
- Use household, workshop, and garden chemicals in ways that keep evaporation to a minimum,
or try to delay using them when poor air quality is forecast.
Everyday Air Wise Tips: 35 Things You Can Do |
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