Delhi’s Air Quality Nears ‘Severe’ Category


New Delhi: Delhi’s air quality on Saturday inched towards the “severe” zone amid adverse meteorological conditions.

According to the data, the overall Air Quality Index (AQI) of Delhi stood at 396 at 10 am, worsening from 357 at 4 pm on Friday. It was 354 on Thursday, 271 on Wednesday, 302 on Tuesday and 312 on Monday (Diwali).

Anand Vihar (AQI 454) was the most polluted place in the capital followed by Wazirpur (439), Narela (423), Ashok Vihar (428), Vivek Vihar (427) and Jahangirpuri (438).

According to the Central Pollution Control Board (CPCB), the concentration of lung-damaging fine particles known as PM2.5 was above 400 micrograms per cubic metre at 10 am, around seven times the safe limit of 60 micrograms per cubic metre, in many areas.

An AQI between zero and 50 is considered good, 51 and 100 satisfactory, 101 and 200 moderate, 201 and 300 poor, 301 and 400 very poor, and 401 and 500 severe.

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