The air quality in Delhi, which was marked as 'very poor' on Thursday, will follow a downward trend, and may slip into the dreaded 'severe' category by Friday.
In fact, the air quality monitoring systems in several areas of the capital city such as Dwarka, Rohini, Bawana, Anand Vihar, and Nehru Nagar, had already recorded figures under the 'severe' zone, on Thursday evening.
There was an accumulation of pollutants from local sources: SAFAR
"There was an accumulation of pollution from local sources. This means that because of low wind speed, the outlet of pollutants was not as fast as the inlet, thus the equilibrium was not maintained," a scientist at SAFAR said.
Earlier, Kejriwal said there's no need to re-introduce odd-even scheme
Ironically, Delhi Chief Minister Arvind Kejriwal on Monday said that skies have cleared up, and that there's no need to re-introduce the odd-even rationing scheme, that was implemented in the capital from November 4-15, to curb pollution.
To recall, earlier this month, a Public Health Emergency was declared, and schools were ordered to remain shut.