Spatial Distribution and Temporal Trend of Tropospheric NO<sub>2</sub> over the Wanjiang City Belt of China

<div>Annual averaged OMI-retrieved NO<sub>2</sub> columns (×10<sup>13</sup> molec./cm<sup>2</sup>) from 2005 to 2016 in Anhui Province.</div>

Advances in Meteorology

Figure 5: Spatial Distribution and Temporal Trend of Tropospheric NO<sub>2</sub> over the Wanjiang City Belt of China 