Air quality in Delhi remains ‘poor’ but marginal improvement can be seen: Experts
<p>The air quality in Delhi improved marginally on Monday but remained in the “poor” category for the second consecutive day. At 9 am on Monday, the air quality index (AQI) in the national capital stood at 207 against an AQI of 254 at the same time on Sunday. However, there was a respite on late […]</p>