- Ambient Air Quality Status of PM10 (Particulate Matter Less than 10 Micron) Levels (Annual Average) At Selected Cities and Locations under National Air Quality Monitoring Programme (NAMP) in Chhattisgarh (2020)
- Ambient Air Quality Status of PM2.5 (Particulate Matter Less than 2.5 Micron) Levels (Annual Average) At Selected Cities and Locations under National Air Quality Monitoring Programme (NAMP) in Chhattisgarh (2020)