Delhi's air quality recorded in 'severe' category

Delhi's air quality was recorded in 'severe' category on Saturday 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 410, which falls in the 'severe' 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'.

Twenty-two areas recorded 'severe' air quality and 13 areas 'very poor' air quality, the CPCB said.

In the National Capital Region (NCR), Ghaziabad, Faridabad, Noida and Greater Noida recorded 'severe' air quality, it said.