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Delhi Air Quality Nears 'Severe' Before Diwali
5 Nov
Summary
- Delhi's air quality remains in the 'very poor' category for the fourth consecutive day.
- Forecasters predict air quality may degrade to 'severe' just before the Diwali festival.
- Vehicular emissions are expected to increase while stubble burning's contribution will fall.
Delhi's air quality has remained in the 'very poor' category for four consecutive days, raising concerns as Diwali approaches. On Thursday, the 24-hour average Air Quality Index (AQI) stood at 369. Forecasts indicate a potential deterioration to the 'severe' category from Friday through Sunday.
The Air Quality Early Warning System (AQEWS) predicts that air quality will likely stay in the 'severe' to 'very poor' range for the next six days. This outlook is crucial as Diwali celebrations draw near.
Projections from the Decision Support System (DSS) suggest a sharp decline in stubble burning's contribution to pollution by November 7, with vehicular emissions expected to increase. However, experts note that the decrease in stubble burning's share is linked to changing weather patterns rather than a reduction in farm fires.
As a western disturbance approaches, north-westerly winds carrying smoke are expected to weaken. Despite this, slower winds and morning mist could trap local pollutants from vehicles, industries, and waste burning, potentially exacerbating air quality issues. The AQEWS has already forecasted 'severe' air quality for November 6 and 7.
