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Progress in Earth and Planetary Science
Fig. 6 | Progress in Earth and Planetary Science

Fig. 6

From: 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

Fig. 6

Diurnal variation of NO2 concentration at (left) surface and (right) aloft. Surface data are taken from AEROS sites located along 4AZ-MAX-DOAS directions and model results at surface level. Aloft data is taken from MAX-DOAS with light colors for all data and thick colors for 1 h averaged data, and model results averaged over 0–1 km. Dark blue shading indicates nighttime

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