Air quality in the national capital on Sunday was recorded in the 'very poor' category with the 24-hour Air Quality Index landing at 314, according to Central Pollution Control Board (CPCB) data. 


The maximum temperature in Delhi was 26.8 degrees Celsius, one degree below average, and the minimum was 9.6 degrees Celsius, three degrees below normal, according to the India Meteorological Department (IMD). 


According to the report, the relative humidity ranged between 90% and 36%.


The weatherman has predicted mainly clear skies on Monday with mist in the morning. The national capital's minimum and maximum temperatures are expected to be 9 degrees Celsius and 27 degrees Celsius, respectively.


On Saturday, Delhi experienced the coldest morning of the season, with a low of 9 degrees Celsius – three degrees below usual.


The air quality in Delhi remained 'poor' on Friday. According to the System of Air Quality and Weather Forecasting and Research (SAFAR), the city's overall Air Quality Index (AQI) was 293 on Friday morning.


The AQI was 249 on Thursday morning, suggesting that the air quality had deteriorated significantly. This follows a significant improvement in the national capital's AQI during the previous few days. The capital's air quality had previously been classified as "moderate," with an AQI of 176.


The AQI in Delhi was 221 on Tuesday, pushing it from "very poor" to "poor." The Air Quality Index is a mechanism for communicating the current level of air quality to the general public. It simplifies complex data on air quality caused by various pollutants into a single number (index value), nomenclature, and colour.


An AQI of zero to 50 is deemed "good," 51 to 100 "satisfactory," 101 to 200 "moderate," 201 to 300 "poor," 301 to 400 "very poor," and 401 to 500 "severe."