The air quality remained “poor” in Noida, Greater Noida, Ghaziabad, Gurgaon and Faridabad in the National Capital Region (NCR) on Sunday, a authorities company stated.
Presence of pollutant PM 2.5 additionally remained excessive in the 5 fast neighbours of Delhi, in keeping with the air quality index (AQI) maintained by the Central Pollution Control Board (CPCB).
According to the index, an AQI between zero and 50 is taken into account ‘good’, 51 and 100 ‘satisfactory’, 101 and 200 ‘moderate’, 201 and 300 ‘poor’, 301 and 400 ‘very poor’, and 401 and 500 ‘severe’.
The common 24-hour AQI at four pm on Sunday was 242 in Gurgaon, 234 in Faridabad, 288 in Ghaziabad, 273 in Noida and 270 in Greater Noida, in keeping with the CPCB’s Sameer app.
On Saturday, it was 256 in Gurgaon, 246 in Faridabad, 238 in Ghaziabad, 231 in Noida and 228 in Greater Noida.
The CPCB states that an AQI in the “poor” class might trigger respiration discomfort to most individuals on extended publicity, whereas that in the “very poor” zone might trigger respiratory diseases on extended publicity.
The common AQI final Sunday was 448 in Ghaziabad, 441 in Noida, 417 in Greater Noida, 425 in Gurgaon and 414 in Faridabad.
The AQI for every metropolis is predicated on the typical worth of all stations there. Noida, Faridabad, Ghaziabad have 4 stations every, whereas Gurgaon has three and Greater Noida two, in keeping with the app.