NEW DELHI, Nov 14: Delhi recorded a slight respite from toxic air as the air quality index settled in the ‘very poor’ category after remaining in the ‘severe’ zone for three days, according to the Central Pollution Control Board (CPCB). The city’s overall Air Quality Index (AQI) stood at 397, according to the 9 am hourly bulletin. Of the 38 monitoring stations in the national capital, 23 recorded air quality in the severe category, while 13 remained in the very poor range, the CPCB’s Sameer app showed. The remaining two stations reported poor air quality, it said. Wazirpur logged the worst AQI at 440, followed closely by Chandni Chowk at 438, the data showed. As per the CPCB, an AQI between 0 and 50 is considered good, 51-100 satisfactory, 101-200 moderate, 201-300 poor, 301-4

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