New Delhi [India], October 5 (ANI): The air quality in the national capital deteriorated to the higher end of the 'Moderate' category, recording an Air Quality Index (AQI) of 187, marking the highest level seen in nearly three months (83 days), according to the Central Pollution Control Board's (CPCB) 24-hour bulletin.

Data from the pollution control board showed that particulate matter 10 (PM10) remained the prominent pollutant across the city, based on readings compiled from 43 out of 46 active ambient air quality monitoring stations in the capital.

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An AQI between 101 and 200 is categorised as 'Moderate', which the CPCB notes can cause "breathing discomfort to people with lungs, asthma, and heart diseases." According to CPCB, an AQI between zero and 50 is considered ‘Good’, 51 to 100 ‘Satisfactory’, 101 to 200 ‘Moderate’, 201 to 300 ‘Poor’, 301 to 400 ‘Very Poor’, and 401 to 500 ‘Severe’.

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Air quality in neighbouring areas of the National Capital Region (NCR) fared even worse, with several cities slipping into the 'Poor' zone (AQI 201–300).

Noida recorded an AQI of 281, Ghaziabad stood at 248, and Faridabad logged 224, with PM10 and PM2.5 identified as the primary pollutants.

Gurugram and Greater Noida recorded 'Moderate' air quality with AQIs of 166 and 171, respectively.

On the weather front, dry and warm conditions prevailed over Delhi.

According to the India Meteorological Department (IMD)’s past 24-hour overview, Delhi recorded a maximum temperature of 36.4 degrees Celsius on Sunday, 2.2 notches above normal for this time of the season.

The minimum temperature settled at 23.8 degrees Celsius, 1.5 degrees above the seasonal average.

The relative humidity....