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CO (days)
|
PM10 (days)
|
|---|
|
Mean ± SD
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Min.
|
Max.
|
Mean ± SD
|
Min.
|
Max.
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|---|
|
Population density (persons/km2)a
|
|
Q1 (lowest)
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8.3 ± 14.3
|
0
|
54
|
1.4 ± 1.2
|
0
|
4
|
|
Q2
|
28.4 ± 24.4
|
1
|
81
|
4.1 ± 4.7
|
0
|
23
|
|
Q3
|
41.8 ± 19.0
|
0
|
79
|
5.4 ± 5.3
|
0
|
21
|
|
Q4 (highest)
|
30.5 ± 21.1
|
0
|
66
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2.2 ± 2.9
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0
|
12
|
|
No. of car registrationsb
|
|
Q1 (lowest)
|
7.5 ± 13.9
|
0
|
54
|
2.0 ± 2.6
|
0
|
10
|
|
Q2
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26.5 ± 24.1
|
0
|
77
|
3.0 ± 3.7
|
0
|
16
|
|
Q3
|
29.0 ± 19.3
|
0
|
72
|
2.9 ± 4.0
|
0
|
23
|
|
Q4 (highest)
|
43.2 ± 20.0
|
0
|
81
|
5.0 ± 5.2
|
0
|
21
|
|
No. of car accidentc
|
|
Q1 (lowest)
|
9.9 ± 14.6
|
0
|
54
|
2.1 ± 2.6
|
0
|
10
|
|
Q2
|
21.9 ± 23.0
|
0
|
77
|
2.1 ± 2.6
|
0
|
12
|
|
Q3
|
31.2 ± 19.6
|
0
|
72
|
3.6 ± 4.4
|
0
|
23
|
|
Q4 (highest)
|
43.0 ± 20.4
|
0
|
81
|
4.8 ± 5.2
|
0
|
21
|
|
Industrial power usage (Kwh/km2)d
|
|
Q1 (lowest)
|
9.8 ± 13.8
|
0
|
46
|
1.6 ± 1.5
|
0
|
4
|
|
Q2
|
28.2 ± 26.5
|
0
|
81
|
4.2 ± 4.9
|
0
|
23
|
|
Q3
|
38.4 ± 18.6
|
1
|
78
|
5.0 ± 5.1
|
0
|
21
|
|
Q4 (highest)
|
33.8 ± 22.2
|
0
|
79
|
2.6 ± 3.7
|
0
|
16
|
|
Generation of electricity (Kwh)
|
|
No
|
27.0 ± 22.8
|
0
|
77
|
2.3 ± 2.8
|
0
|
14
|
|
Yes
|
37.1 ± 21.2
|
0
|
81
|
5.1 ± 5.4
|
0
|
23
|
- apopulation density(persons/km2): Q1 < 98.87, 98.87 ≤ Q2 < 459.19, 459.19 ≤ Q3 < 6329.12, 6329.12 ≤ Q4
- bNo. of car registrations(1000 cars): Q1 < 16.43, 16.43 ≤ Q2 < 48.90, 48.90 ≤ Q3 < 98.36, 98.36 ≤ Q4
- cNo. of car accident: Q1 < 213.00, 213.00 ≤ Q2 < 729.00, 729.00 ≤ Q3 < 1521.00, 1521.00 ≤ Q4
- dIndustrial power usage (Kwh/km2): Q1 < 300,926.80, 300,926.80 ≤ Q2 < 1,588,265.70, 1,588,265.70 ≤ Q3 < 8,306,667.40, 8,306,667.40 ≤ Q4
