Delhiites can heave a sigh of relief rather they can breathe a sigh of relief after Delhi's air improved drastically after heavy rain coupled with heavy hailstorms lashed parts of the city. The overall air quality of Delhi was 'moderate' on Thursday, a significant improvement due to western disturbances, scattered rain and high wind speed.

PTI

According to the Central Pollution Control Board (CPCB) data, the overall air quality index (AQI) of the city was at 171, which falls in the 'moderate' category, a significant drop from the AQI of 349 recorded on Wednesday, 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 between 401 and 500 'severe'.

PTI

The CPCB said 31 areas in the national capital recorded 'moderate' air quality, while four areas had 'poor' quality air. None of the areas recorded 'very poor' or 'severe' air quality.

In the National Capital Region, Ghaziabad, Greater Noida, Noida and Gurugram recorded also recorded 'moderate' air quality, the CPCB data stated.

The heavy downpour has definitely brought down the temperature hence improving the overall air quality.