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  4. Slight respite for Delhiites as winds improve air quality of national capital, but pollution levels still 'severe'

Slight respite for Delhiites as winds improve air quality of national capital, but pollution levels still 'severe'

On Thursday, the PM2.5 level in Delhi-NCR was at 268 and Delhi at 277.  

India TV News Desk Edited by: India TV News Desk New Delhi Published on: June 15, 2018 23:12 IST
The Indian Meteorological Department (IMD) said that strong

The Indian Meteorological Department (IMD) said that strong dust raising winds of the order of 2,535 kmph is likely to continue over Rajasthan, Punjab, Haryana, Chandigarh, and Delhi during the next 24 hours.

There was a slight respite for Delhiites on Friday as a steady breeze slightly decreased the city's air pollution levels but the air quality remained in the "severe" category for the fourth day on Friday.

There was a dip in the air quality level on Tuesday due to dust storms in western India, particularly Rajasthan, which increased coarser particles in the air, the Central Pollution Control Board (CPCB) said.

However, influx of dust from Rajasthan slowed down significantly and local winds in Delhi have picked up due to which dispersion of pollutants have become faster and the air quality is expected to return to "very poor" category from "severe" by Saturday, said Gufran Beig, a scientist at the Centre-run System of Air Quality and Weather Forecasting and Research Institute (SAFAR).

The PM10 level (presence of particles with diameter less than 10 mm) was recorded at 626 in Delhi-NCR and 650 in Delhi, leading to hazy conditions.

The PM2.5 level (presence of particles with diameter less than 2.5 mm) that deteriorated from "very poor" to "severe" showed improvement on Friday at 164 in Delhi region and 162 in Delhi-NCR, the CPCB data said.

On Thursday, the PM2.5 level in Delhi-NCR was at 268 and Delhi at 277.

According to the CPCB, the air quality index (AQI), a measurement of the concentration of toxic particulate matter in air, at several places in Delhi remained over 500.

An AQI between 0-50 is considered "Good", 51-100 "Satisfactory", 101-200 "Moderate", 201-300 "Poor", 301-400 "Very Poor", and 401-500 "Severe".

Meanwhile, the Delhi High Court on Friday gave an urgent hearing on a plea which dubbed the air pollution in the national capital as 'emergency-like-situation' and sought answers from the government and state pollution control committee on the measures taken to control it. 

The India Meteorological Department (IMD) said that strong dust raising winds of the order of 2,535 kmph is likely to continue over Rajasthan, Punjab, Haryana, Chandigarh, and Delhi during the next 24 hours.

It also forecast thunderstorms at isolated places over the city in the coming days, bringing relief from the dusty air.

Lieutenant Governor Anil Baijal had on Thursday ordered stoppage of all civil construction activities across the city till Sunday as part of the emergency measures which also include intensifying mechanical road sweeping.

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