With every passing day, the air quality in Delhi refuses to improve. After a short-lived relief, the national capital's air quality is once again so bad it qualifies as a national health emergency.

On Thursday morning, the AQI level in Delhi was measured at 472 (severe). At many places in NCR, the AQI crossed the 500-mark, putting the regions in 'severe plus' category.

With every passing day, the air quality in Delhi refuses to improve. After a short-lived relief, the national capital's air quality is once again so bad it qualifies as a national health emergency.

On Thursday morning, the AQI level in Delhi was measured at 472 (severe). At many places in NCR, the AQI crossed the 500-mark, putting the regions in 'severe plus' category.