Overview

• Delhi’s 24-hour average AQI rose to 199 on Saturday then eased to 167 on Sunday as consistent 10–15 km/h winds dispersed pollutants.
• The Air Quality Early Warning System projects ‘moderate’ air on Oct. 13–14 and a shift to ‘poor’ from Oct. 15, likely persisting for about six days.
• Transport remains the largest contributor to PM2.5, estimated at 19.8% on Sunday, while stubble burning’s share rose slightly to 0.8%, according to the DSS.
• Farm fire counts remain far lower than last year, with 116 detected in Punjab and 11 in Haryana between Sept. 15 and Oct. 11 versus 533 and 280, respectively, a year ago.
• Mumbai logged an AQI of 149 in the ‘moderate’ range, with several hotspots including Sewri at 198, as per the MPCB and EWS readings.