The air quality at 9 am was in the 'moderate' category at 178

Ten stations recorded the Air Quality Index in the 'poor' and the rest showed it to be in the 'moderate' category, according to data from the Sameer app

The 24-hour AQI was at 225, 'poor', at 4 pm on Sunday

Humidity at 8.30 am was 87 per cent, according to the weather department

The India Meteorological Department has forecasted smog and dense fog in most places, and very dense fog in isolated areas in the morning

Mainly clear skies are expected later, while smog or shallow fog is likely to develop in the evening and night, it said

The maximum and minimum temperatures are expected to settle at 18 and 9 degrees Celsius

An AQI between 0 and 50 is considered 'good,' 51 and 100 'satisfactory,' 101 and 200 'moderate,' 201 and 300 'poor,' 301 and 400 'very poor,' and 401 and 500 'severe'

The Delhi Urban Shelter Improvement Board (DUSIB) has set up 235 pagoda tents to provide shelter to homeless people