Fig. 3From: Surface and aloft NO2 pollution over the greater Tokyo area observed by ground-based and MAX-DOAS measurements bridged by kilometer-scale regional air quality modeling(Left) Scatter-plot of hourly surface level NO2 concentration during Chiba-Campaign 2015. (Right) Histogram for observations (white) and the model (gray). Ground-based observation by AEROS and the model are shown. AEROS sites located within 24 km of Chiba University (see, Fig. 1) are usedBack to article page