The average 24-hour AQI till 4 pm on Saturday was 456inGhaziabad, 425 in Noida, 394 in Greater Noida, 378 in Faridabad and358 in Gurgaon,according to the CPCB's Sameer app.
On Friday it was382 in Ghaziabad, 337 in Noida, 336 in Greater Noida, 324 in Gurgaon and319 in Faridabad. On Thursday it was 328 in Ghaziabad, 327 in Greater Noida, 305 in Noida,304 in Faridabad and 293 in Gurgaon.
PM 2.5 and PM 10 were the prominent pollutants in Noida, Greater Noida, Ghaziabad, Faridabad and Gurgaon on Saturday, according to the CPCB.
It states that an AQI in the 'very poor' category may cause respiratory illness on prolonged exposure, while 'severe' air quality affects even healthy people and seriously impacts those with existing diseases.
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.)
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.