India, Feb. 13 -- Delhi's air quality improved as the air quality index (AQI) was in the 'moderate' category on Thursday as strong surface winds of up to 30km/hr persisted in the region.

The city's average AQI was recorded at 129 (moderate) at 9am on Thursday. In comparison, it was 212 (poor) at 4pm on Wednesday.

The India Meteorological Department (IMD) has forecast strong surface winds of 20-30 km/hr till Saturday. However, skies are likely to remain clear along with bright sunshine throughout the day.

Forecasts by the Centre's Early Warning System (EWS) for Delhi meanwhile predicted the AQI to remain in 'moderate' now till Friday.

"The outlook for the subsequent six days shows AQI will be between 'moderate' and 'poor'," the EWS men...