India, Dec. 11 -- Stronger winds offered Delhi a small but welcome relief for the second day in a row, improving the city's AQI to 259 - in the 'poor' category, marking an improvement compared to the pollution spike experienced last week.

During the day, predominant surface winds blew from the northwest at speeds of up to 15 kmph in the afternoon, and are expected to slow to below 10 kmph from the same direction in the evening and night on Wednesday, according to the Air Quality Early Warning System for Delhi. At 4 pm on Wednesday, the 24-hour average AQI stood at 259, compared to 282 on Tuesday, 314 on Monday, and 308 on Sunday, according to data from the Central Pollution Control Board (CPCB).

After nine days of experiencing "very poor"...