This indicator measures the level of air Pollutants in the city i.e. average level of pollution in urban areas. The indicator calculates pollution levels in form of Annual Mean Concentration Range (µg/m3).
| Methodology | Level of service |
| Reading of RSPM (PM2.5) =(d) | Range | LoS |
| 0-40 (Low) | 1 |
| 40-80 (Moderate) | 2 |
| 80-120 (High) | 3 |
| >120 (Critical) | 4 |