NEW DELHI: On Diwali day, the national capital Delhi recorded its best air quality in eight years, with a 24-hour average Air Quality Index (AQI) of 218 at 4 pm, the best in at least three weeks.
This marks a significant improvement compared to previous Diwali days, with an AQI of 312 last year, 382 in 2021, and 414 in 2020. The improvement is attributed to intermittent rainfall and favorable wind speeds for pollutant dispersion.