- Ambient Air Quality Status of Sulphur Dioxide (SO2) Levels (Annual Average) At Selected Cities and Locations under National Air Quality Monitoring Programme (NAMP) in Sonitpur District of Assam (2017)
- Ambient Air Quality Status of Nitrogen Dioxide (NO2) Levels (Annual Average) At Selected Cities and Locations under National Air Quality Monitoring Programme (NAMP) in Sonitpur District of Assam (2017)
- 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 Sonitpur District of Assam (2017)