New Delhi, Nov. 11 -- Farm fires in Punjab and Haryana hit their highest count of the season on Diwali even as new estimates put the scale of the problem vastly higher than what's being counted. Moreover, while the north-westerly wind that carries their smoke to Delhi slackened in the festival's aftermath, easing the impact on the Capital, it is forecast to return on Wednesday and Thursday, an HT analysis of satellite and weather data shows. Till October 28, INSAT-3DS, a weather satellite run by the Indian Space Research Organisation (ISRO), detected almost no farm fire in the two states. From Oct 29 the count rose every day, from 18 to 447 on November 8, Diwali, and the daily average in the week to November 9 was 12.5 times that of the wee...