Research Article

Evaluation of Air Quality Model Performance for Simulating Long-Range Transport and Local Pollution of PM2.5 in Japan

Figure 9

Spatial distributions of simulated ground-level PM2.5 concentrations in D1 (left) and D2 (right) with horizontal wind vectors and backward trajectories arriving at 300 m above Kokusetsu-Osaka station at 0000 (local time) on July 24, 2010, and February 6, 2011.
(a) July 24, 2010
(b) February 6, 2011