“Unusual Improvement” in Delhi’s air quality

 NEW DELHI: Delhi’s air quality showed an “unusual” improvement on November 25, due to increased wind speed which is considered favourable for dispersion of pollutants, and settled in the “poor” category. According to the Centre-run System of Air Quality and Weather Forecasting (SAFAR), the improvement in air quality is “unusual” for this time of the year.

The overall air quality index (AQI) was recorded at 262, which falls in the “poor” category, according to the SAFAR. Six areas in the national capital recorded “very poor” quality air while 21 areas recorded “poor” air quality, as per the Central Pollution Control Board (CPCB) data. Ghaziabad, Greater Noida and Noida recorded “poor” air quality while Faridabad recorded “moderate” air quality, the CPCB data said.