Air quality plunges to 'severe' category in Noida, Ghaziabad, Faridabad

Topics Air quality | noida | air pollution

The air quality plunged to the "severe" level in Ghaziabad, Noida, Greater Noida and Faridabad while it stayed in the "very poor" zone in Gurgaon on the first day of 2021, according to the 24-hour data issued by a government agency on Friday.

Presence of pollutant PM 2.5 and PM 10 remained high in the five immediate neighbours of Delhi, according to the air quality index (AQI) maintained by the Central Pollution Control Board (CPCB).

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'.

The average 24-hour AQI at 4 pmonFriday was 470 in Ghaziabad, 434 in Greater Noida, 455 in Noida, 421 in Faridabad and 376 in Gurgaon, according to CPCB's Sameer app.

The CPCB states that an AQI in the "severe" category affects healthy people and seriously impacts those with existing diseases while the air quality in the "very poor" zone may lead to respiratory illness on prolonged exposure.

The average AQI onThursday was 343 in Ghaziabad, 394 in Greater Noida, 369 in Noida, 344 in Faridabad and 317 in Gurgaon. On Wednesday, it was 310 in Ghaziabad, 315 in Greater Noida, 302 in Noida, 289 in Faridabad and 227 in Gurgaon.

OnTuesday it was 283 in Ghaziabad, 272 in Greater Noida, 258 in Noida, 291 in Faridabad and 214 in Gurgaon. On Monday it was 256 in Ghaziabad, 237 in Greater Noida, 225 in Noida, 296 in Faridabad and 226 in Gurgaon.

OnSunday it was 407 in Ghaziabad, 418 in Greater Noida, 405 in Noida, 404 in Faridabad and 359 in Gurgaon, according to CPCB.

The AQI for each city is based on the average value of all stations there. Noida, Faridabad, Ghaziabad have four stations each, while Gurgaon has three and Greater Noida two, according to the app.

(Only the headline and picture of this report may have been reworked by the Business Standard staff; the rest of the content is auto-generated from a syndicated feed.)

Dear Reader,

Business Standard has always strived hard to provide up-to-date information and commentary on developments that are of interest to you and have wider political and economic implications for the country and the world. Your encouragement and constant feedback on how to improve our offering have only made our resolve and commitment to these ideals stronger. Even during these difficult times arising out of Covid-19, we continue to remain committed to keeping you informed and updated with credible news, authoritative views and incisive commentary on topical issues of relevance.

We, however, have a request.

As we battle the economic impact of the pandemic, we need your support even more, so that we can continue to offer you more quality content. Our subscription model has seen an encouraging response from many of you, who have subscribed to our online content. More subscription to our online content can only help us achieve the goals of offering you even better and more relevant content. We believe in free, fair and credible journalism. Your support through more subscriptions can help us practise the journalism to which we are committed.

Support quality journalism and subscribe to Business Standard.

Digital Editor

Business Standard is now on Telegram.
For insightful reports and views on business, markets, politics and other issues, subscribe to our official Telegram channel