Air quality deteriorates
New Delhi: Delhi's air quality deteriorated further with six areas in the city recording severe pollution as authorities predicted further rise in the next two days. The Central Pollution Control Board (CPCB) recorded an overall air quality index (AQI) of 352, which falls in the "very poor" category.
An AQI between 0 and 50 is considered "good", 51 and 100 "satisfactory", 101 and 200 "moderate", 201 and 300 "poor", 301 and 400 "very poor" and 401 and 500 is considered to be "severe". Six areas –Ashok Vihar, Anand Vihar, Burari, Mundaka, Nehru Nagar and Wazirpur –recorded severe air quality, according to the CPCB.
Twenty-five areas of the national capital recorded "very poor" air quality, while in four areas it was in the "poor" category, it said. Ghaziabad recorded severe pollution level at 404 while Faridabad and Noida recorded "very poor" air quality, according to the CPCB data. In Gurgaon, the air quality was "poor", it said.