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Delhi air quality beyond ‘severe’ due to dust storm in western India

The air quality index at several places in Delhi showed the PM10 level cross the 500-mark, the Central Pollution Control Board data showed.

delhi Updated: Jun 13, 2018 12:55 IST
Press Trust of India
Press Trust of India
Press Trust of India, New Delhi
Pollution in Delhi,Weather New Delhi,Delhi weather
A view of Vijay Chowk and Rajpath during a mild dust storm in New Delhi on Tuesday, June 12, 2018. (PTI)

The air quality in Delhi deteriorated beyond the “severe” level on Wednesday because of a ground-level dust storm in western India which increased coarser particles in the air, the Central Pollution Control Board data showed.

The CPCB data showed that the PM10 (particles with diameter less than 10mm) level was beyond “severe” at 778 in Delhi-NCR area and 824 in Delhi particularly, leading to hazy conditions and limiting visibility.

Gufran Beig, a scientist at the Centre-run System of Air Quality and Weather Forecasting and Research institute, said the dust storm deteriorated the air quality in Delhi-NCR.

“There was a ground-level dust storm in the western part of the country that increased drastically coarser particles in the air, causing a spike in pollution levels in Delhi,” he said.

But the air quality should improve later today, he said.

“Such dust storms accompanied by high-speed winds (30-40 kmph) do not last too long due to which the air quality will return to normal by this evening,” Beig added.

According to CPCB, the air quality index at several places in Delhi crossed the 500-mark, with east Delhi’s Anand Vihar area recording an AQI of 891.

An AQI between 0-50 is considered Good, 51-100 Satisfactory, 101-200 Moderate, 201-300 Poor, 301-400 Very Poor, and 401-500 Severe.

First Published: Jun 13, 2018 12:37 IST