Air quality improved slightly in the city, from ‘poor’ to ‘moderate’. The residents woke up with reduced levels of Particulate Matter (PM 2.5) in comparison to Sunday morning. The PM2.5 at Jaipur police commissionerate was recorded at 96 microgram per cubic metre at 8am. At the same time on Sunday, the PM2.5 level was 176 microgram per cubic metre. The Air Quality Index (AQI) improved slightly in the city. The AQI came down from 246 to 162 in the past 24 hours, which improved air quality. The thick layer of haze, which was present on Sunday morning, was reduced and visibility also improved. According to health experts, the spike in super fine particulate matter began around Diwali. The worst day in terms of AQI was on October 28, when it rose to 290 from 134 in just a day.