Delhi's air quality deteriorates to 'very poor' category

Delhi's air quality deteriorated to the 'very poor' category on Friday due to reduced wind speed even as authorities have forecast rainfall in the next couple of days which they said might lower the pollution level.

According to Central Pollution Control Board (CPCB) data, the overall air quality index (AQI) in the city was 364, which falls in the 'very poor' category.

An AQI between 100 and 200 comes under the 'moderate' category, 201 and 300 is considered 'poor', 301 and 400 'very poor', while that between 401 and 500 is 'severe'.

Anand Vihar, Bawana, Dwarka Sector 8, ITO and Mundka recorded 'severe' air quality, while 28 areas recorded 'very poor' air quality and three areas 'poor' air quality, the CPCB said.

In the National Capital Region (NCR), Ghaziabad, Faridabad and Noida recorded 'very poor' air quality, while Gurgaon recorded 'poor' air quality, it said.