The air quality in the national capital, Delhi has showed a slight improvement with an Air Quality Index (AQI) of 250 today. According to the Central Pollution Control Board, some areas of the city have moved from very poor to poor category. The AQI at Delhi’s IGI Airport station was recorded at 257, 250 at ITO, 271 at Dwarka-Sector 8 and 175 at Lodhi Road today.

 

 

An AQI between 0 and 50 is considered good, 51 and 100 satisfactory, 101 and 200 moderate, 201 and 300 poor, and 301 and 400 very poor. An AQI between 401 and 450 is considered severe.