Delhi's border areas record high level of pollution on Apr 23

New Delhi, Apr 25: Border areas of the city such as Anand Vihar, southern parts including Chirag Delhi and IIT neighbourhood recorded high level of pollution on April 23, the ninth day of the odd-even car-rationing scheme.

PM 2.5 and PM 10 readings at Anand Vihar border were registered at 188 and 373 micrograms per cubic metre respectively, as per the findings released by the Delhi Pollution Control Committee (DPCC).

Del: Border areas record high polution

Their corresponding safe limits are and 60 and 100 units. SAFAR (System of Air Quality and Weather Forecasting and Research), which has been analysing the impact of the curb on vehicles since the drive began on April 15, said, the eight-hour average of surface-level ozone rose to around 70 parts per billion (ppb) yesterday, the steepest rise since April 17.

It put today's average level of PM 2.5 and PM 10 at 107.3 and 198.5 micrograms per cubic metre. SAFAR's Noida and IGI Airport monitoring stations had air quality in the 'very poor' category.

Green body TERI said the 24-hourly pollutant concentrations did go down on Saturday, however, it still is violating the prescribed limits at many places.

The daily fluctuations are caused due to meteorological variations, changing emissions during the weekdays, and background influences, TERI said.

"Trends so far show odd-even will have a positive impact on Delhi's air quality – concrete assessment will be made after assessing the entire data," the government said in a statement.


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