Seoul, South Korea

Background

• Population of 9,794,304 (in 2010)• 605.28 km2 (233.7 mi2)• From a Travel site: “Air quality in Seoul is fine

and improving. However, Seoul inhabitants sometimes wear different types of masks outdoors for allergies smog and yellow dust storms (mostly in March-April).”

October 8, 2012

*Seoul is GMT + 9:00

Taklimakan Desert

Gobi Desert

Beijing Seoul

Gobi Desert

• Located along border of Mongolia and China• Dust storm April 26th and 27th

Gobi Dust Storm 2012

Beijing

TERRA 4/28

TERRA 4/29

Backtrajectory

AERONET Station

AERONET AOT

21:36:00 0:00:00 2:24:00 4:48:00 7:12:00 9:36:00 12:00:000

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2

April 28, 2012

1640

1020

870

675

500

440

380

340

Time (GMT)

AOT

21:07:12 22:04:48 23:02:24 0:00:00 0:57:36 1:55:120

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2

April 29, 2012

1640

1020

870

675

500

440

380

340

Time (GMT)

AOT

*Seoul is GMT + 9:00

Angstrom/Aeronet

MODIS TERRA 550nm April 2012

MODIS TERRA 550nmMarch and April 2012

LIDAR 4/29

LIDAR 4/29

Seoul Air

• Asian Dust• Pollution from Beijing/Tokyo• Pollution from 10 million people• Sea salt