AQI worsens a day after Grap 3 Withdrawn; fog warning issued

New Delhi, Jan. 4 -- A day after strong surface winds improved Delhi's air quality by more than 100 points, prompting revocation of impositions under Stage 3 of the Graded Response Action Plan (Grap) to curb pollution, the city's air quality index (AQI) once again started slipping towards the "very poor" category. Shallow to moderate fog was also a contributing factor, which led to more than 60 flight cancellations at the Delhi airport. The India Meteorological Department (IMD) has also issued a yellow alert for Sunday, warning people of possible moderate to dense fog in multiple parts of the city. P3

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