New Delhi, Nov. 24 -- Farm fire counts in Punjab and Haryana have fallen to single digits, sharply reducing their contribution to Delhi's PM 2.5 levels. The share of emissions from stubble burning, which reached a single-day peak of 22.4 percent on November 12, dipped to 2.66 percent on November 22. With minimal fires detected on Sunday, the contribution is expected to stay below 5%, much lower than in recent years.

Data from the Decision Support System showed a 2.66% contribution from stubble burning on Saturday. Figures for Friday were unavailable, while Thursday saw a 2.88% share. Forecasts indicate the contribution will remain below 3% on Monday and Tuesday.

This year's peak is not only lower but also arrived later than previous yea...