Air quality ‘severe’ in parts of Greater Noida

Air quality reached “severe” levels in parts of Gautam Buddh Nagar in the National Capital Region (NCR) on Monday, while it largely remained “very poor” in Ghaziabad, Gurgaon and Faridabad, according to a government agency.

Concentration of major air pollutants PM 2.5 and PM 10 during the morning hours remained in the “severe” category in parts of the four immediate neighbouring districts of Delhi, according to the Central Pollution Control Board (CPCB).

An air quality index (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’.

In Gautam Buddh Nagar’s Noida, the AQI was 383 at Sector 116, followed by 373 at Sector 62, 364 at Sector 1, while the air quality monitoring station at Sector 125 showed “insufficient” data for the last 24 hours.