New Delhi: The air quality in Delhi and its surrounding areas witnessed a positive change on Sunday, attributed to favorable atmospheric conditions, including wind direction and speed, according to monitoring agencies.
As of 7 am, the city’s Air Quality Index (AQI) measured 290. The 24-hour average AQI, calculated at 4 pm daily, showed a notable decline, registering at 319 on Saturday, 405 on Friday, and 419 on Thursday. Additionally, neighboring areas such as Ghaziabad (275), Gurugram (242), Greater Noida (232), Noida (252), and Faridabad (318) also reported improved but still “poor” air quality.
The AQI scale categorizes air quality levels, with values between zero and 50 considered good, 51 to 100 as satisfactory, 101 to 200 as moderate, 201 to 300 as poor, 301 to 400 as very poor, 401 to 450 as severe, and above 450 as severe plus. The recent shift from “very poor” to “poor” indicates a positive trend in the region’s air quality.