Dense fog engulfs Delhi, AQI dips to `hazardous` level

The air quality index (AQI) recorded on Sunday was also marked at a hazardous level in the Delhi-NCR region where the overall AQI was recorded at 404. Meanwhile, in Noida and Gurugram the situation remained similar with AQI at 573 and 379 respectively. 

from Zee News :India National https://ift.tt/34Pv3nr
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