Delhi: 64 trains delayed, 2 cancelled due to smog
Sixty-four trains travelling to Delhi were delayed, 14 rescheduled, and two cancelled because of the smog.
There were no reports of any planes being delayed.
64 trains delayed, 14 rescheduled and two cancelled due to smog/fog conditions #Delhi
— ANI (@ANI) November 11, 2017
Air quality meanwhile was recorded as "hazardous" at a number of places.
#Delhi's Mandir Marg at 326, Anand Vihar at 430, Siri Fort at 316, Dwarka at 327, Shadipur at 331 in the 'Hazardous' category, in Air Quality Index.
— ANI (@ANI) November 11, 2017
As was the case in neighbouring Gurgaon and Faridabad.
#Haryana: Vikas Sadan Gurugram at 330 'Hazardous', Sector16A Faridabad at 204 'Very Unhealthy', in Air Quality Index (AQI)
— ANI (@ANI) November 11, 2017
Air quality in Delhi dips each year as winter approaches, with the cooler air trapping pollutants closer to the ground.
The phenomenon is called "inversion".