Delhi's air quality worsens as impact of rain subsides

January 07, 2019 21:50

Delhi's air quality was recorded in the "very poor" category on Monday as the impact of rain began to subside and the pollution level started rising, authorities said.

According to the Central Pollution Control Board data, the overall Air Quality Index in the city reached 337, which is in the 'very poor' category.

Thirty areas in Delhi recorded "very poor" air quality, while two areas witnessed "poor" quality air, it said.

In the NCR, Ghaziabad, Faridabad, Gurgaon and Noida recorded "very poor" air quality, the CPCB said.

Delhi's pollution level went down on Sunday after rainfall washed away pollutants and cleansed the air on Saturday, authorities said.

The air quality in the national capital has been oscillating between the upper range of the "very poor" and the 'severe' category for the past two weeks.

On Monday, the overall PM2.5 level (fine particulate matter in the air with a diameter of less than 2.5 micrometers) was recorded at 177 while the PM10 level (fine particulate matter in the air with a diameter of less than 10 micrometers) was at 266, the CPCB said.

An AQI between 100 and 200 comes under the "moderate" category, 201 and 300 is considered "poor", 301 and 400 "very poor", while an AQI between 401 and 500 is "severe".

The Centre-run System of Air Quality and Weather Forecasting said the overall air quality over Delhi was very poor.

-- PTI

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