Guangzhou - PM2.5
Past 24-hour AQI was
No Data
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Most Recent AQI
-- |
|---|
| -- AQI |
| No Data |
| if at this level for 24 Hours |
| Concentration: -- µg/m³ |
Air Quality Guide for PM2.5
| Air Quality | Health Effects Statement | Cautionary Statement |
|---|---|---|
| Good (0-50) |
Air quality is satisfactory, and air pollution poses little or no risk. | None. |
| Moderate (51-100) |
Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution. (See below for sensitive groups.) | Unusually sensitive people should consider limiting prolonged outdoor exertion. |
| Unhealthy for Sensitive Groups (101-150) |
Members of sensitive groups may experience health effects. The general public is less likely to be affected. | Sensitive groups should reduce prolonged or heavy outdoor exertion. Schedule outdoor activities in the morning when ozone is lower. |
| Unhealthy (151-200) |
Some members of the general public may experience health effects; members of sensitive groups may experience more serious health effects. | Sensitive groups should avoid prolonged or heavy outdoor exertion. Everyone else should reduce prolonged or heavy outdoor exertion. |
| Very Unhealthy (201-300) |
Health alert: The risk of health effects is increased for everyone. | Sensitive groups should avoid all physical activity outdoors. Everyone else should avoid prolonged or heavy outdoor exertion. |
| Hazardous (301-500) |
Health warning of emergency conditions: Everyone is more likely to be affected. | Everyone should avoid all outdoor exertion. |
| Beyond Index (>500) |
Extremely High Levels: Avoid all physical activity outdoors. | |
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Sensitive Groups PM2.5: People with heart or lung disease, older adults, and children. For more information, click here. Ozone: People with lung disease, children, older adults, and people who are active outdoors, including outdoor workers. For more information, click here. |
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