- Stubble burning in Punjab, Haryana contributes only 14% of PM2.5 in Delhi-NCR.
- As per a study, there is no linear correlation between stubble-burning events in Punjab and Haryana and fine particulate matter (PM2.5) concentration in Delhi-NCR.
- According to the study, stubble burning in Punjab and Haryana contributes only 14% to the particulate matter concentration in Delhi-NCR.
- PM2.5 in Delhi-NCR remained stable and constant despite the stubble-burning events in Punjab and Haryana declining by over 50% from 2015 to 2023.
- The number of stubble-burning events in Punjab and Haryana declined by 31% and 37%, respectively in 2023 and 2022.
- The air quality index in the Delhi-NCR region remained “very poor” to the “severe” category due to stagnant winds, lower mixing heights, and inversion conditions.
- The results of this study were published in the journal Climate and Atmospheric Science.
