Mumbai: According to data from a government agency on Tuesday, air quality in Ghaziabad and Noida remained “severe” for the fifth consecutive day, while it remained “very poor” in Faridabad and Gurgaon.
According to the Air Quality Index (AQI) maintained by the Central Pollution Control Board (CPCB), the presence of pollutants PM2.5 and PM10 in Delhi’s five immediate neighbors was also high.
According to the index, an 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’.
According to CPCB’s Sameer App, the 24-hour AQI stood at 4 pm on Tuesday, 424 in Ghaziabad, 407 in Noida, and 405 in Greater Noida, 382 in Faridabad, and 347 in Gurgaon.
On Monday, it was 438 in Ghaziabad, 422 in Noida and Greater Noida, 388 in Faridabad, and 357 in Gurgaon.
It was 428 in Ghaziabad on Sunday, 402 in Noida, 396 in Greater Noida, 392 in Faridabad, and 325 in Gurgaon.
The CPCB states that AQI in the “very poor” category can lead to respiratory disease if prolonged, while “severe” also affects healthy people and is severely affected by current illnesses.
The AQI for each city is based on the average value of all stations there. According to the app, there are four stations in Noida, Faridabad, Ghaziabad, while three in Gurgaon and two in Greater Noida.