|PM2.5 concentration mapping||Classification||Health Implications/Precaution statement.|
|0 - 12||Good||Air quality is good for everyone.|
|12.1 - 35.4||Moderate||Unusually sensitive people: Consider reducing prolonged or heavy exertion.
Everyone else: Air pollution poses little or no risk.
|35.6 - 55.4||Unhealthy for
|Sensitive groups: Reduce prolonged or heavy exertion. It's OK to be active outside, but take more breaks and do less intense activities.
People with asthma should follow their asthma action plans and keep quick relief medicine handy.
If you have heart disease: Symptoms such as palpitations, shortness of breath, or unusual fatigue may indicate a serious problem. If you have any of
these, contact your heath care provider.
|55.5 - 150.4||Unhealthy||Sensitive groups: Avoid prolonged or heavy exertion. Consider moving activities indoors or rescheduling.
Everyone else: Reduce prolonged or heavy exertion. Take more breaks during all outdoor activities.
|150.5 - 250.4||Very unhealthy||Sensitive groups: Avoid all physical activity outdoors. Move activities indoors or reschedule to a time when air quality is better.
Everyone else: Avoid prolonged or heavy exertion. Consider moving activities indoors or rescheduling to a time when air quality is better.
|250.5 - 500.4||Hazardous||Everyone: Avoid all physical activity outdoors.
Sensitive groups: Remain indoors and keep activity levels low. Follow tips for keeping particle levels low indoors.
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