The Impact of Nonlocal Ammonia on Submicron Particulate Matter and Visibility Degradation in Urban Shanghai

<table>Linear correlation between the predicted amount of ammonium <svg height="18.887501" id="M54" style="vertical-align:-3.57394pt" version="1.1" viewbox="0 0 108.0625 18.887501" width="108.0625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> and measured amount of ammonium <svg height="18.9625" id="M55" style="vertical-align:-3.69682pt" version="1.1" viewbox="0 0 109.725 18.9625" width="109.725" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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<g transform="matrix(.017,-0,0,-.017,66.1,14.05)"><path d="M226 -163h-170v27q79 7 94 20t15 73v627q0 59 -15 72t-94 20v27h170v-866z" id="x5D"></path></g>
<g transform="matrix(.012,-0,0,-.012,71.962,18.725)"><path d="M861 0h-263v28q61 5 73 22t12 97l-4 408h-4l-244 -548h-20l-224 534h-2l-15 -285q-5 -98 -3 -166q1 -34 19.5 -45t72.5 -17v-28h-233v28q45 5 62.5 17t22.5 43q11 65 19 183l14 208q3 36 3.5 55t-2.5 37.5t-6.5 25t-16.5 13t-25.5 8t-39.5 4.5v28h164l228 -501l232 501
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</svg> for the entire study period (<svg height="11.225" id="M56" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 52.5625 11.225" width="52.5625" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg>).</table>

Advances in Meteorology

fig5

Figure 5

Figure 5: The Impact of Nonlocal Ammonia on Submicron Particulate Matter and Visibility Degradation in Urban Shanghai 