Delhi-NCR air quality likely to improve in next 2 days

Delhi-NCR`s air quality is likely to improve on Saturday and Sunday owing to relatively strong winds and will settle down at the lower end of the `very poor` and `poor` categories, authorities said on Friday.

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In a statement, the air quality early warning system for Delhi of the Ministry of Earth Sciences said: "The air quality over Delhi-NCT is likely to remain in `very poor` category today (Friday), but is likely to improve and reach in the lower end of `Very Poor` category on Saturday.

"The air quality is likely to improve significantly from Sunday owing to relatively strong winds and reach in the `poor` category. PM2.5 to be the predominant pollutant."

Delhi witnessed a misty morning on Friday and as per the India Meteorological Department (IMD), the maximum temperature of the day will settle at 26 degrees Celsius with a minimum of 11 degrees.

On Thursday, the maximum temperature was recorded at 26.8 degrees Celsius and the minimum at 10.9 degrees Celsius -- one notch below the normal.

The relative humidity at 9 a.m. was recorded at 81 per cent.

As per the System of Air Quality and Weather Forecasting And Research (SAFAR), the overall Air Quality Index (AQI) of the national capital at 9 a.m. was 348, while on Thursday it was recorded at 362.

An AQI between zero and 50 is considered `good`; 51 and 100 `satisfactory`; 101 and 200 `moderate`; 201 and 300 `poor`; 301 and 400 `very poor`; 401 and between 500 is considered `severe`.

The level of PM 2.5 and PM 10 pollutants at 9 a.m. was recorded at 66 and 128, respectively.