
India
Northern Railway trains running late due to low visibility caused by dense fog in isolated places over Punjab, Uttar Pradesh
According to IMD dense to very dense fog was observed in isolated places over Punjab, Uttar Pradesh

India
Delhi's air quality upgrades to 'moderate' from 'very poor'; foggy conditions and low visibility delay at least 20 trains
The air quality in Delhi, which had improved slightly due to rain and hail storms over the past two days, is expected to deteriorate during the next few days, SAFAR said.

India
Light rain in Delhi does little to improve 'very poor' air quality; low visibility due to fog delays 13 trains
Light downpour that hit some areas of the national capital and its adjoining regions failed to improve the overall air quality index on Monday.