India, July 10 -- The Capital saw its cleanest air in nearly three years on Thursday as rain continued, recording a 24-hour average air quality index (AQI) of 48 in the good category, as per the Central Pollution Control Board (CPCB)'s 4pm bulletin.

The city has not recorded a "good" air day since September 10, 2023, when similar overnight rains and strong winds cleared Delhi's air and the city recorded a 24-hour average AQI of 45.

On Wednesday, the city recorded an average AQI of 59, its lowest AQI since September 4, 2025, when it was 58.

According to CPCB, an AQI between zero and 50 is considered "good," 51 to 100 "satisfactory," 101 to 200 "moderate," 201 to 300 "poor," 301 to 400 "very poor," and 401 to 500 "severe."

A Delhi Inter...