After being in poor category for two days, Delhi air quality improved to moderate category on Wednesday morning.
As per the Central Pollution Control Board (CPCB), the air quality index (AQI) of Delhi at 7.45 am was 175, while at 9.45 it was 158.
An AQI between 0-50 is considered 'good', 51-100 'satisfactory', 101-200 'moderate', 201-300 'poor', 301-400 'very poor' and 401-500 'severe'. An AQI above 500 falls in the 'severe plus' category.
The minimum temperature in Delhi on Wednesday morning was 14.5 degree Celsius, five notches above the season's average, while the relative humidity at 8.30 am was 88 per cent.
The weatherman has forecast cloudy sky on Wednesday with a possibility of light rain or drizzle with the maximum temperature likely to settle around 27 degree Celsius.