New Delhi: The layer of eye-stinging fog that has lingered over Delhi- National Capital Region (NCR) increased on Friday, giving the sun an orange tint and reducing visibility to 200 metres in certain areas of the region that has been suffering from hazardous pollution levels since early November. After Diwali, Delhi's air quality has deteriorated on five of the last seven days.
According to a study conducted by the Delhi Pollution Control Committee (DPCC), the national capital's air quality is at its worst between November 1 and November 15. At 9 a.m., the city's Air Quality Index was 454. On Thursday, the 24-hour average AQI was 411.
At 9 a.m., severe air quality was observed in Faridabad (452), Ghaziabad (490), Greater Noida (476), Gurugram (418), and Noida (434) as well. An Air Quality Index of zero to 50 is regarded "excellent," 51 to 100 is considered "acceptable," 101 to 200 is considered "moderate," 201 to 300 is considered "poor," 301 to 400 is considered "very poor," and 401 to 500 is considered "severe."
At 9 a.m., the 24-hour average concentration of lung-damaging small particles known as PM2.5 in Delhi-NCR was 346 micrograms per cubic metre, more than six times the acceptable limit of 60 micrograms per cubic metre, according to the Central Pollution Control Board (CPCB).
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