Delhi's air quality improves to 'Very Poor' after seven days
After seven days of being categorised as 'Severe', the air quality in Delhi-NCR on Tuesday improved to 'Very Poor' category, which is considered normal at this time of the year, weather experts have said. The average Air Quality Index (AQI) reportedly dropped to 308 on Tuesday from 460 on Monday. The air quality is expected to further improve on Wednesday.