- Monthly Air Quality Index (AQI) Value by City in Ludhiana District of Punjab (As on January to March, 2024)
- Monthly Air Quality Index (AQI) Value by City in Ludhiana District of Punjab (2023)
- Monthly Air Quality Index (AQI) Value by City in Ludhiana District of Punjab (2022)
- Monthly Air Quality Index (AQI) Value by City in Ludhiana District of Punjab (As on July to December, 2021)