New Delhi: Parts of Delhi and adjoining areas like Noida, Ghaziabad and Gurugram woke up to a layer of dense fog on Thursday amid cold weather and Air Quality Index (AQI) hovering between ‘very poor’ to nearly ‘severe-plus’ category.
The India Meteorological Department (IMD) has said that fog will continue to blanket Delhi today and tomorrow due to western disturbances from the Himalayas.
Early on December 19, minimum temperature in the national capital was recorded at 7°C, as per IMD data, it added. IMD scientist Dr Soma Sen Roy told the news agency that the drop in minimum temperatures is expected as a result of the western disturbances.
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The overall AQI in Delhi at around 6 am on Thursday stood at 448, just two short of the severe-plus category. However, the AQI at 21 of the 37 monitoring stations in the city listed in Sameer app, which provides hourly data on National Air Quality Index, was at the severe-plus level.
“Variable and calm wind conditions, combined with increased moisture due to the western disturbance, are conducive to the formation of fog. This western disturbance has brought significant moisture, particularly from the Bay of Bengal, creating favourable conditions for fog formation,” she added.
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