The city's weather added to the challenge, with a maximum temperature of 18.4 degrees Celsius, 2.3 degrees below the season's average, following drizzle in parts of Delhi on Monda

The government has blamed a combination of factors including stubble burning and firecrackers for Delhi’s worsening air quality.

This cycle of pollution has been ongoing since the night of December 16, when Delhi's air first plunged into hazardous territory.

PM2.5 particles, which are 2.5 micrometres or smaller in diameter, can penetrate deep into the lungs, posing significant health risks

Air Quality Index (AQI) in the national capital has been recorded at 398, as per the Central Pollution Control Board (CPCB), keeping close to the 'severe' category

Delhi’s poor air quality remains despite the strictest Stage IV curbs of the Graded Response Action Plan (GRAP).

Data from the CPCB indicated AQI levels across the capital ranged from “very poor” to “severe.” While the first half of December provided some respite with six days classified under the ‘moderate’ air quality category,

At 8.30 a.m., Delhi's Air Quality Index (AQI) stood at 402, in the 'severe' category, Central Pollution Control Board (CPCB) data showed.

Parts of Delhi witnessed light rainfall early Monday, with temprature being recorded at 12-14 degrees Celcius, as per the India Meteorological Department (IMD). According to news agency ANI, the minimum temperature recorded in the city was 8 degrees Celsius,

Delhi's air quality plunges to a 'severe' AQI of 409, dominated by hazardous PM2.5 pollution. Stage IV of GRAP remains in effect, restricting construction and truck entry. Light rain is forecasted, offering potential relief but also a risk of increased humidity exacerbating pollution.

On Sunday night, the weatherman forecast a generally cloudy sky with light rain in Delhi and the maximum and minimum temperatures at 20 degrees Celsius and 8 degrees Celsius, respectively.