Uttar Pradesh | Air quality deteriorates in Delhi-NCR Uttar Pradesh | Air quality deteriorates in Delhi-NCR. Noida where Air Quality Index (AQI) is 406 currently, in the ‘Severe’ category. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Tags: Uttar Pradesh | Air quality deteriorates in Delhi-NCR November 2, 2022 by vdc VIJAYCHOWK.COM