|
Type
|
City
|
Median (P25–P75)
|
Days*
|
|---|
|
CO
|
Tianjin
|
1.72 (1.37–2.29)
|
250
|
|
Xi’an
|
1.70 (1.26–2.47)
|
211
|
|
Xingtai
|
1.54 (1.11–2.46)
|
198
|
|
–
|
–
|
–
|
|
Guangzhou
|
1.00 (0.89–1.19)
|
27
|
|
Fuzhou
|
0.73 (0.63–0.94)
|
10
|
|
Guiyang
|
0.77 (0.63–0.95)
|
10
|
|
NO2
|
Xingtai
|
61.79 (47.67–82.99)
|
232
|
|
Chengdu
|
51.76 (42.45–65.44)
|
178
|
|
Ji’nan
|
49.70 (35.48–68.42)
|
162
|
|
–
|
–
|
–
|
|
Kunming
|
36.50 (28.90–44.51)
|
26
|
|
Dalian
|
28.94 (23.58–37.33)
|
17
|
|
Guiyang
|
31.05 (24.03–39.59)
|
16
|
|
O3
|
Wuhan
|
79.06 (51.67–110.33)
|
181
|
|
Shanghai
|
77.55 (58.89–96.12)
|
165
|
|
Ji’nan
|
72.48 (40.46–102.40)
|
160
|
|
–
|
–
|
–
|
|
Zunyi
|
64.79 (57.48–73.13)
|
31
|
|
Hefei
|
55.23 (38.77–67.33)
|
29
|
|
Fuzhou
|
49.42 (39.63–62.93)
|
27
|
|
PM10
|
Xingtai
|
251.43 (172.92–359.36)
|
308
|
|
Ji’nan
|
166.03 (120.06–237.78)
|
215
|
|
Xi’an
|
143.05 (98.79–218.76)
|
173
|
|
–
|
–
|
–
|
|
Shenzhen
|
59.83 (38.44–94.45)
|
19
|
|
Kunming
|
72.19 (46.77–99.89)
|
15
|
|
Fuzhou
|
62.29 (45.56–87.95)
|
14
|
|
PM2.5
|
Xingtai
|
119.29 (78.09–196.94)
|
258
|
|
Ji’nan
|
84.93 (59.76–129.42)
|
192
|
|
Tianjin
|
80.58 (54.03–113.46)
|
178
|
|
–
|
–
|
–
|
|
Shenzhen
|
36.92 (21.18–58.11)
|
27
|
|
Fuzhou
|
31.65 (20.53–49.52)
|
12
|
|
Kunming
|
37.88 (24.00–53.04)
|
9
|
|
SO2
|
Xingtai
|
84.58 (51.71–137.72)
|
291
|
|
Ji’nan
|
61.47 (40.98–104.46)
|
256
|
|
Shenyang
|
40.98 (24.26–98.12)
|
169
|
|
–
|
–
|
–
|
|
Wenzhou
|
20.14 (13.46–29.00)
|
13
|
|
Guangzhou
|
20.19 (15.07–26.22)
|
6
|
|
Shenzhen
|
9.83 (7.43–14.57)
|
1
|
- * The days of a specific city that the pollutant concentration exceeds the “extreme value”
