County

Rank

Hot cluster

Area of hot clusters

County area

Area

%

Hot cluster pop

Zone pop

Pop

%

Black time

CBD

3

39

17.0

59.8

8.2

343,079

2,408,211

19.4

8:00-10:00

16:00-18:00

Urban zone

1

224

81.7

391.2

53.6

533,987

5,983,288

48.2

7:00-9:00

15:00-17:00

Suburban zone

2

105

50.4

278.8

38.2

50,500

4,021,961

32.4

5:00-7:00

17:00-19:00

Total

368

149.1

729.1

100

927,566

12,413,460

100