- Status of Ambient Air Quality (Annual Average) under National Air Quality Monitoring Programme (NAMP) in Ludhiana District of Punjab (2021)
- Ambient Air Quality Status of Sulphur Dioxide (SO2) Levels (Annual Average) At Selected Cities and Locations under National Air Quality Monitoring Programme (NAMP) in Punjab (2020)
- Ambient Air Quality Status of Nitrogen Dioxide (NO2) Levels (Annual Average) At Selected Cities and Locations under National Air Quality Monitoring Programme (NAMP) in Punjab (2020)
- 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 Punjab (2020)
- Ambient Air Quality Status of Sulphur Dioxide (SO2) Levels (Annual Average) At Selected Cities and Locations under National Air Quality Monitoring Programme (NAMP) in Punjab (2019)
- Ambient Air Quality Status of Nitrogen Dioxide (NO2) Levels (Annual Average) At Selected Cities and Locations under National Air Quality Monitoring Programme (NAMP) in Punjab (2019)
- 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 Punjab (2019)
- Ambient Air Quality Status of Sulphur Dioxide (SO2) Levels (Annual Average) At Selected Cities and Locations under National Air Quality Monitoring Programme (NAMP) in Punjab (2018)
- Ambient Air Quality Status of Nitrogen Dioxide (NO2) Levels (Annual Average) At Selected Cities and Locations under National Air Quality Monitoring Programme (NAMP) in Punjab (2018)
- 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 Punjab (2018)
- Ambient Air Quality Status of Sulphur Dioxide (SO2) Levels (Annual Average) At Selected Cities and Locations under National Air Quality Monitoring Programme (NAMP) in Ludhiana District of Punjab (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 Ludhiana District of Punjab (2017)
- Location-wise Monthly Ambient Air Quality Status of Ludhiana District of Punjab (2003)