India, Aug. 18 -- The Capital witnessed light showers on Sunday, which helped maintain Delhi's air quality in the "satisfactory" category, with a 24-hour average air quality index (AQI) of 91-down from a reading of 118 ("moderate")-recorded a day earlier, according to the Central Pollution Board's (CPCB's) daily bulletin. This maintained Delhi's trend of rainfall and windy conditions largely keeping Delhi's air in the "satisfactory" range, marking the 53rd time this year, the highest number of such days recorded until August 17 since 2020, according to CPCB data.

In the corresponding period last year, Delhi logged 37 such days, with no "good" air day - when the AQI is 50 or lower. It logged 46 "satisfactory" air days in 2023, 44 in 2022,...