In wake of moderate winds from the northwest directions, pollution has decreased over Delhi and its adjoining areas such as Noida, Gurugram, Ghaziabad and Faridabad.
Taking into account PM 10 values, then most areas of Delhi and NCR are recording pollution under ‘moderate’ category while for PM 2.5, the pollution levels are under ‘poor to moderate’ category.
If we talk area-wise, then pollution over Pusa and IGI Airport has been recorded under ‘moderate’ category. For places like, Mathura road and Delhi University, it has been recorded under ‘moderate’ category at PM 10, while under ‘poor’ category at PM 2.5. However, no major relief has been observed in the air quality of Chandni Chowk and this area is recording pollution under ‘poor to very poor’ category.
By looking at the ongoing conditions, we expect pollution to maintain its level under the same category for at least next 24 hours, due to the continuous flow of moderate northwesterly winds. Thereafter, an induced Cyclonic Circulation will take a form over Northwest Rajasthan and adjoining Punjab. In wake of this system, winds will change direction and reduce speed.
In the presence of light winds, Delhi pollution will once again increase at an alarming rate and most places of Delhi and NCR area are expected to come under ‘poor to very poor’ category, after 24 to 48 hours.
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