The Temporal and Spatial Distribution of Hazy Days in Cities of Jiangsu Province China and an Analysis of Its Causes

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left">Season</td><td class="align_center">Heavy haze</td><td class="align_center">Moderate</td><td class="align_center">Hazy day</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Spring</td><td class="align_center">9.2</td><td class="align_center">15.7</td><td class="align_center">305.0</td></tr><tr><td class="align_left">Summer</td><td class="align_center">9.3</td><td class="align_center">16.4</td><td class="align_center">273.1</td></tr><tr><td class="align_left">Autumn</td><td class="align_center">17.9</td><td class="align_center">29.8</td><td class="align_center">393.8</td></tr><tr><td class="align_left">Winter</td><td class="align_center">18.4</td><td class="align_center">31.3</td><td class="align_center">393.8</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Seasonal change of haze/d⋅year<sup>−1</sup>.

Advances in Meteorology

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Table 2

Table 2: The Temporal and Spatial Distribution of Hazy Days in Cities of Jiangsu Province China and an Analysis of Its Causes 