All you need to know about air quality
Air Quality Forecast
Air Quality Hot Line: Washington D.C. Metropolitan Area 202-962-3299
Air Quality | Weather Conditions | Recommended Actions |
---|---|---|
Unhealthy |
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When air quality reaches unhealthful levels:
When air quality is forecast to reach unhealthful levels, residents are strongly urged to:
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Unhealthfy for Sensitive Groups |
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When air quality approaches unhealthful levels, residents are urged to:
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Moderate |
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When air quality is in moderate range, residents should:
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Good |
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Throughout the ozone smog season (May through September), residents should make an extra effort to:
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