The pollution level in the national capital remained critical on Tuesday morning.
Visibility early in the morning remained low due to smog, which also caused problems in the movement of traffic.
The Air Quality Index (AQI) level from 0-50 is considered "good", 51-100 is "satisfactory" 101-200 is "moderate", 201-300 is "poor", 301-400 is "very poor", and 401 and above is "severe".
The Indian Medical Association has declared a public health emergency.
The AQI in East Delhi's Dilshad Garden was 420, whereas it was 319 in Anand Vihar.
The pollution was recorded highest in Punjabi Bagh with AQI 999 and 852 in R.K. Puram.
The air quality in Dwarka and NCR also hovered between 400-420.
Also on HuffPost India: