Delhi’s air quality marginally improves to ‘very poor’; mercury drops to 11.6 deg Celcius

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Delhi’s air quality in ‘very poor’ category

Delhi’s air quality on Sunday improved marginally as the air quality in the national capital reached the ‘very poor’ category with Air Quality Index (AQI) at 386 (overall), according to the System of Air Quality and Weather Forecasting And Research (SAFAR). Meanwhile, the pollution level in the National Capital Region (NCR), especially Noida and Gurugram, also remained worrisome. Noida reported AQI in the ‘hazardous’ category at 536, while the air quality in Gurugram was at the upper end of the ‘severe’ category at 423.

As per SAFAR’s bulletin, the AQI is likely to improve in two days “as winds at the transport level (925 mb) are slowing down resulting in the lesser intrusion of farm fires related pollutants into Delhi.”

“However, as local winds are becoming calm and minimum temperature is decreasing further, preventing efficient dispersion of pollutants leading to improvement of air quality to the upper end of very poor category or lower end of the severe category,” it added.

The effective fire count was reduced to 3,157 yesterday, SAFAR informed.

According to the government agencies, AQI between 0-50 is considered good, 51-100 is satisfactory, 101-200 moderate, 201-300 poor, 301-400 very poor and 401-500 are marked as severe/hazardous.

The India Meteorological Department (IMD) predicted: “mainly clear sky and moderate fog in the morning” for Sunday and Monday.

“The contribution of biomass burning in PM2.5 concentration is likely to be approximately 10 per cent on November 13-14 as winds are favourable for transportation of pollutants,” it added.

The mercury in the capital city has dropped to 11.6 degrees Celcius on Sunday, IMD said.

To tackle increasing air pollution levels in the national capital, Delhi Chief Minister Arvind Kejriwal on Saturday announced a ‘pollution lockdown’ under which the schools would remain physically closed for a week from tomorrow.

All construction activity in Delhi has also been shut down from November 14 to November 17.

Government office employees will be asked to operate from home (WFH) at 100 per cent capacity for a week, while private offices will be issued an advisory to go for WFH (work from home) option as much as possible, stated the Chief Minister.

Kejriwal had announced the decisions after chairing a high-level emergency meeting with senior officials and ministers of the Delhi government. 

(With inputs from ANI)

Also Read | Delhi govt’s emergency steps to tackle air pollution: No physical school for a week

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