CPCB states that an AQI in the “very poor” category can lead to respiratory disease. (File)
Noida:
Air quality remained “ very poor ” in Noida, Greater Noida, Ghaziabad, Gurugram and Faridabad in the National Capital Region (NCR) on Sunday, according to a government agency.
The concentration of the main air pollutants PM 2.5 and PM 10 also remained high in Delhi’s five immediate neighbors, according to the Air Quality Index (AQI) maintained by the Central Pollution Control Board (CPCB).
According to the index, an AQI between 0 and 50 is considered “good”, 51 and 100 “satisfactory”, 101 and 200 “average”, 201 and 300 “bad”, 301 and 400 “very bad” and 401 and 500 “severe”.
The 24-hour average AQI was 388 in Greater Noida, 384 in Noida and Ghaziabad, 354 in Faridabad and 306 in Gurugram, according to the CPCB’s Sameer app at 4 p.m. Sunday.
He was 368 in Greater Noida, 363 in Ghaziabad, 358 in Gururgram, 356 in Noida and 348 in Faridabad on Saturday.
The main pollutants in Gurugram, Greater Noida and Ghaziabad were PM 2.5 and PM 10 on Sunday, the app said, adding that the major pollutant in Noida and Gurgaon was PM 2.5, he added.
Delhi’s five satellite cities have four air quality monitoring stations with the exception of Greater Noida, which has two. The AQI for each city is based on the average value of all the stations there, depending on the app.
CPCB states that an AQI in the “very poor” category can cause respiratory illness with prolonged exposure.
