Wind speed helps slight gain in air quality

New Delhi: Delhi's air quality showed a slight improvement on Saturday due to increased wind speed, favourable for dispersion of pollutants, and settled in the 'poor' category, authorities said. 

The overall air quality index (AQI) was recorded at 244 which falls in the 'poor' category, according to the Central Pollution Control Board (CPCB) data. As many as 31 areas in the national capital recorded 'poor' air quality while four areas recorded 'moderate' air quality, the data said. 

The level of PM2.5 was recorded at 119 and the PM10 level was recorded at 238, it said. Gurgaon, Ghaziabad, Faridabad, Noida and Greater Noida recorded poor air quality. 

According to the Indian Institute of Tropical Meteorology, the air quality has improved due to higher wind speed. 

The Particulate Matter (PM) concentration is likely to reduce owing to increased wind speed and air quality is likely to be in poor category, it said. 
Humidity in the city is high, which is slightly unfavourable and stubble fire will have marginal impact, it said.