Yonghap News Agency - OSAN, South Korea, Feb. 18 (Yonhap) -- South Korea and the United States will kick off a research campaign to uncover the cause of air pollution across Asia during the winter season as part of efforts to better address air quality challenges and come up with policies designed to improve air quality.

The ASIA-AQ, a joint effort by South Korea's National Institute of Environmental Research (NIER) and the National Aeronautics and Space Administration (NASA), aims to collect detailed air quality data over several locations in Asia using aircraft, satellites, and ground sites.