Delhi’s air quality improves to moderate category, AQI drops to 158 By Daily Excelsior - November 27, 2019 Share FacebookTwitterWhatsAppPinterestLinkedinCopy URLTelegramEmailTumblrReddItPrintKoo NEW DELHI: Delhi’s air quality improved to the ‘moderate’ category on Wednesday morning. The national capital’s air quality index (AQI) was recorded at 158 at 9.45 am, according to the CPCB. It was 175 at 7.45 am. (AGENCIES) Follow our WhatsApp channel