| SL AQI | PM 2.5 (μg/m3) | AQI | Meaning |
|---|---|---|---|
| 0 - 25.0 | 0 - 50 | Air Quality is considered satisfactory and Air Pollution poses little or no risk. | |
| Moderate | 25.1 - 50.0 | 51 - 100 | Air Quality is acceptable: however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution. |
| Unhealthy for sensitive group | 50.1 - 75.0 | 101 - 150 | Members of sensitive groups may experience health effects. the general public is not likely to be affected. |
| Unhealthy | 75.1 - 150.0 | 151 - 200 | Everyone may begin to experience health effects; member of sensitive groups may experience more serious health effects. |
| Very Unhealthy | 150.1 - 250.0 | 201 - 300 | Health alert; everyone may experience more serious health effects. |
| Hazardous | >250.1 | 301 - 500 | The entire population is more likely to be affected by serious health effects. |
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