Delhi pollution: AQI ‘severe’ in some areas, overall air quality at 396

After marginal improvement on Monday morning, the Air Quality Index (AQI) in Delhi dropped to ‘very poor’ category by the evening due to slow winds and continued to be at the same level on Tuesday morning, with most monitoring stations recording AQI between 300 and 440.
According to the SAMEER app, which offers hourly updates on the National Air Quality Index, the overall AQI at around 6:30 am on Tuesday, November 26, stood at 396. However, several monitoring stations reported an AQI of over 400 – the ‘severe’ category.
The Central Pollution Control Board (CPCB) categorises AQI as follows — 0-50 (good), 51-100 (satisfactory), 101-200 (moderate), 201-300 (poor), 301-400 (very poor), 401-450 (severe) and above 450 (severe plus).
Also Read: Consider restarting physical classes in Delhi NCR schools, colleges: SC to air quality panel