A very strong Mongolian cyclone picked up sand and dust from the central and southern Gobi Desert in Mongolia. It covered 871,000 km2 at 00:55 (UTC) on March 28, 2021.

Sand dust monitoring by FY-4A at 01:00 (UTC) on March 27, 2021.

Pink-colored sand dust by FY-4A on March 27, 2021.

Image by FY-4A from 01:00 to 09:00 (UTC) on March 27, 2021.

Pink-colored sand dust by FY-4A from 01:00 March 27 to 02:00 March 28 (UTC).

Sand dust monitoring by FY-4A at 00:55 (UTC) on March 28, 2021.

Image by FY-4A at 01:45 (UTC) on March 28, 2021.

Image by FY-4A from 01:00 to 03:30 (UTC) on March 28.