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Opinion

Delhi’s air quality remains in the ‘severe’ zone after Diwali, likely to improve later today

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A cookie blast night pushed Delhi’s air quality even further into the ‘severe’ zone, touching 468 at 7am on Sunday.

Data from the Central Pollution Control Board (CPCB) showed that around 3pm on Saturday, the air quality in Delhi entered the ‘severe’ zone and continued to deteriorate overnight.

At 3 pm, the average hourly AQI recorded was 405, at 6 pm; this had skyrocketed to 423. By midnight, with the uncontrolled cookie burst, AQI levels had reached 460.

By 7.30 pm, the AQI reading at the monitoring station in Jahangirpuri had already reached a maximum of 500, the highest possible reading recorded on the AQI scale.

The Union Ministry’s air quality monitoring center, the Weather and Air Quality Research and Forecasting System (SAFAR), said that despite the increase, this Diwali week is likely to be better than the impact observed in the last four years. The forecast says a western disturbance passing over Delhi-NCR is likely to improve wind speed over the city on Sunday afternoon, helping to disperse pollutant particles that have accumulated near the surface.

By Monday, the impact of light rain in parts of NCR and high wind speeds will be seen more clearly.

Reference site

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