12
Nov
The layer of eye-stinging smog lingering over Delhi-NCR thickened on Friday, giving an orange tint to the sun and lowering visibility to 200 metres at several places in the region reeling under hazardous pollution levels since early November. Over 4,000 farm fires, which accounted for 35 per cent of Delhi's pollution on Friday, played a major role in pushing the 24-hour average Air Quality Index (AQI) to 471 by 4pm, the worst this season so far. It was 411 on Thursday. The city has recorded severe air quality on six of the last eight days after Diwali. According to an…
