Table 1 Statistical characteristics of air pollutants, meteorological factors, and daily mortality number

All-cause mortality^a

9

28

32

36

51

Male^a

5

17

20

24

36

Female^a

1

10

12

14

25

Young (0–65years)^a

3

15

17

20

32

Elder (> 65 years)^a

4

12

15

18

29

Temperature (°C)

9.8

19.4

24.2

27.7

31.2

Humidity (%)

24

67

78

87

100

Pressure (hPa)

986.8

1000.5

1005.1

1010.8

1019.2

Wind speed (m/s)

0.3

1.6

2

2.5

5.5

PM₁₀ (μg/m³)

10

34

53

81

179

PM_2.5 (μg/m³)

9

20

35

52

135

PM_2.5/PM₁₀ (%)

37

54.4

63.2

69.6

100