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Air quality in Delhi and its suburbs marginally improved on Monday due to rain and favourable wind speed caused by a western disturbance affecting northwest India.
The Safdarjung Observatory, the national capital’s primary weather station, recorded 7.2 mm of rainfall till 8.30 pm. Due to the rain, the wind speed improved to 20 kilometres per hour, aiding the dispersion of pollutants, an official at the India Meteorological Department said. Delhi’s air quality index (AQI) stood at 387 at 10 pm, improving from 395 at 4 pm and 400 at 9 am. The air quality index (AQI) at any given time is the average of readings taken in the last 24 hours.