The air quality in the national capital on Tuesday deteriorated to 'very poor' from 'poor' category with an overall Air Quality Index (AQI) at 312, according to the System of Air Quality and Weather Forecasting And Research (SAFAR).
The air quality in the national capital was in the 'poor' category on Monday.
The concentrations of PM 2.5 and PM 10 stood at 135 in the 'very poor' and 232 in the 'moderate' category respectively
"AQI today deteriorated to 'Very Poor'. Maximum temperature and wind speed is likely to increase gradually for the next three days (January 18, 19, 10) enhancing ventilation of pollutants leading to improvement in air quality but within 'Very Poor' category. High wind speed is likely from January 21 resulting in dilution of pollutants and improvement of AQI," SAFAR said in its bulletin.
Meanwhile, the air quality in Noida is in 'very poor' category with AQI at 341 while in Gurugram it is in the 'poor' category with AQI at 280.
As per the government agencies, 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', and 401 and 500 'severe'.
Meanwhile, the India Meteorological Department (IMD) has predicted rain over Delhi NCR from Friday night due to the influence of a western disturbance lying over North India.
According to IMD, there is also a possibility of hail storms in Punjab and Haryana and Madhya Pradesh, Bihar, Lucknow will likely see dense fog on Tuesday.
"Cold wave conditions over Punjab, Haryana, Chandigarh, Delhi, Uttar Pradesh, Madhya Pradesh and Rajasthan during the next two days", said IMD. The weather would improve from January 19 onwards due to the influence of western Disturbance, informed IMD scientist Jenamani.
( With inputs from ANI )
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