The air quality in Delhi reached its worst level today, with the AQI falling into the "severe" category. According to Safar data, the AQI in the national capital dropped to 434 at 6 am.

The toxic smog engulfing Delhi was visible from space as satellite images captured the Indian national capital’s “severe” air pollution crisis continuing for two consecutive days. Historical landmarks of northern India, such as the Taj Mahal and ...