West Asia pollutants triggered Delhi’s haze : Met : Pollution level in Delhi has increased day by day and it had breached emergency level on Tuesday. The air quality is likely to return to the pre-haze level of ‘very poor’ by Sunday night.Experts from SAFAR, said that a major portion of the pollutants that triggered the three-day haze had come from west Asian countries like Iraq, Kuwait and Saudi Arabia. This, along with pollutants from stubble burning regions of Punjab and Haryana, pushed up the pollution levels in Delhi.CPCB data says that the PM10 level, which was hovering above 880 ug/m3 on Wednesday night and Thursday morning, dropped to 540 ug/m3 by Friday night. PM10 values above 500 denote emergency levels.
The strong high altitude winds that were bringing in pollutants from west Asia and stubble burning regions of Punjab and Haryana have become calm. (Sources HT)
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