A Persistent Fog Event Involving Heavy Pollutants in Yancheng Area of Jiangsu Province

Figure 3

Temporal variation of visibility during five explosive processes at the Sheyang site. (a) Case 1: from 03:00 BT on 2 December to 10:00 BT on 2 December; (b) Case 2: from 20:00 BT on 3 December to 12:00 BT on 4 December; (c) Case 3: from 22:00 BT on 4 December to 13:00 BT on 5 December; (d) Case 4: from 00:00 BT on 7 December to 10:00 BT on 7 December; (e) Case 5: from 18:00 BT on 8 December to 08:00 BT on 9 December.

(a)

(b)

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(d)

(e)