The average 24-hour AQI at 4pmon Saturday was 213 in Ghaziabad, 204 in Greater Noida, 182 in Noida,169 in Faridabad and 177 in Gurgaon, according to CPCB's Sameer app.
On Friday it was 276 in Ghaziabad, 301 in Greater Noida, 250 in Noida, 268 in Faridabad and 273 in Gurgaon.
The CPCB states that an AQI in the"poor" category may lead to breathing discomfort to most people on prolonged exposure, while an air quality in the "moderate" zone may cause breathing discomfort to people with asthma, lungs and heart diseases.
The AQI for each city is based on the average value of all monitoring stations there. Ghaziabad, Gurgaon and Noida have four such stations while Greater Noida and Faridabad have two stations each, 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.)
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