New Delhi, June 20 -- A day after recording its cleanest air in over eight months, Delhi's air quality remained in the "satisfactory" category for the second consecutive day on Thursday, with bright blue skies visible across the city. The average air quality index (AQI) was 89, a marginal increase from Wednesday's 81, which was the capital's cleanest air day since September 29 last year, when the AQI stood at 76. Thursday marked only the fourth "satisfactory" air day in Delhi in 2025. In 2023, the Capital recorded 27 such consecutive days between June 28 and August 23. The longest streak in recent years was in 2020, when Delhi saw 51 "satisfactory" air days between July 16 and September 4. To be sure, Delhi typically experiences a flurry of...