Despite light rainfall in the national capital, the air quality remained in the 'very poor' category with an overall Air Quality Index (AQI) at 318 on Thursday morning, according to the System of Air Quality and Weather Forecasting And Research (SAFAR).
The concentrations of PM 2.5 and PM 10 were recorded at 143 in the 'very poor' and 228 in the 'moderate' category respectively.
The SAFAR in its bulletin predicted rainfall with a gusty wind tomorrow which may improve the AQI.
"AQI today indicates 'Very Poor' air quality and likely to improve as relatively high wind speed enhance dispersion of pollutants. Tomorrow rainfall is likely to occur with a gusty wind that is expected to improve AQI to 'lower end of Very Poor' or 'Poor' through wet deposition and strong dispersion," the SAFAR bulletin reads.
It further said that from February 4 onwards the air quality will gradually degrade as the rate of accumulation of pollutants is likely to be more than that of ventilation.
The bulletin advised all people belonging to sensitive groups to avoid all physical outdoor activities.
Meanwhile, the air quality in Noida and Gurugram continues to remain in the 'very poor' category with AQI at 326 and 313 respectively.
As per the government data, 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'.
Earlier today, the national capital witnessed a light shower of rain which pushed the minimum temperature in the city to 11 degrees Celsius.
The Indian Meteorological Department (IMD) has predicted a partly cloudy sky and light rain with thunderstorms in Delhi today.
(Only the headline and picture of this report may have been reworked by the Business Standard staff; the rest of the content is auto-generated from a syndicated feed.)
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