The air quality level in Delhi has been categorized as “very poor” by the Central Pollution Control Board (CPCB). The CPCB has reported an Air Quality Index (AQI) of 349 in the national capital at 6 AM today.
An AQI between 0 and 50 is considered good, 51 and 100 satisfactory, 101 and 200 moderate, 201 and 300 poor, and 301 and 400 very poor. An AQI between 401 and 450 is considered severe.
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