Delhi air qual­ity de­te­ri­o­rates due to dust storm in western In­dia

■ The CPCB data showed that 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

The Hitavada - - NATION -

THE air qual­ity in Delhi on Wed­nes­day de­te­ri­o­rated be­yond the “se­vere” level 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 Del­hiNCR 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 on Wed­nes­day, he said.“Such dust storms ac­com­pa­nied by high-speed winds (3040 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.

The In­dia Gate and the build­ings around are seen vaguely as the weather turns hazy, in New Delhi, on Tues­day. (PTI)

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