|
Area
|
Sampling time
|
Number of public place
|
PM10
|
Bacteria
|
Fungi
|
β-Hemolytic streptococcus
|
References
|
|---|
|
Sample number
|
Passing rateb (%)
|
Sample number
|
Passing ratec (%)
|
Sample number
|
Passing rated (%)
|
Sample number
|
Passing ratee (%)
|
|---|
|
Zhejiang
|
2011
|
180
|
179
|
79.3
|
179
|
62.6
|
179
|
74.3
|
179
|
100.0
|
[44]
|
|
Hebei (Shijiazhuang)
|
2010
|
22
|
–
|
–
|
110
|
95.4
|
110
|
99.1
|
110
|
100.0
|
[33]
|
|
Pearl River Delta
|
2009–2010
|
25
|
112
|
75.9
|
112
|
73.2
|
112
|
97.3
|
112
|
100.0
|
[35]
|
|
Guangdong (Zhongshan)
|
2009
|
18
|
–
|
–
|
183
|
86.3
|
183
|
76.5
|
183
|
100.0
|
[36]
|
|
Fujian (Xiamen)
|
2009
|
43
|
31
|
93.6
|
31
|
90.3
|
31
|
96.8
|
398
|
100.0
|
[37]
|
|
Zhejiang
|
2009
|
240
|
239
|
64.4
|
240
|
71.7
|
240
|
76.7
|
240
|
100.0
|
[38]
|
|
Liaoning (Dalian)
|
2008
|
14
|
14
|
57.1
|
66
|
47.0
|
66
|
71.2
|
–
|
–
|
[40]
|
|
Beijing
|
2008
|
12
|
56
|
33.9
|
56
|
58.9
|
56
|
100.0
|
–
|
–
|
[41]
|
|
Hunan (Changsha)
|
2008
|
15
|
33
|
27.3
|
33
|
39.4
|
33
|
48.5
|
–
|
–
|
[41]
|
|
Tianjin
|
2006
|
16
|
–
|
–
|
164
|
40.2
|
164
|
59.1
|
164
|
100.0
|
[42]
|
|
Heilongjiang (Harbin)
|
2006
|
20
|
20
|
45.0
|
20
|
0
|
20
|
75.0
|
–
|
–
|
[45]
|
- aEvaluated based on the “Hygienic norm for central air-conditioning and ventilation systems in public places” of China
- bPercentage of samples with PM10 concentrations ≤ 0.08 mg/m3
- cPercentage of samples with bacteria concentrations ≤ 500 cfu/cm3
- dPercentage of samples with fungi concentrations ≤ 500 cfu/cm3
- ePercentage of samples with no detectable β-hemolytic streptococcus