Table 1 Daily deaths, air pollutants, and meteorological factors in Lishui district, 2015–2019
Variables | Mean | SD | Min | P50 | Max |
|---|---|---|---|---|---|
Daily mortality counts | |||||
 Non-accidental mortality | 7.21 | 2.90 | 0 | 7 | 19 |
 Respiratory mortality | 0.81 | 0.96 | 0 | 1 | 6 |
Gender (n) | |||||
 Male | 4.10 | 2.07 | 0 | 4 | 13 |
 Female | 3.11 | 1.86 | 0 | 3 | 11 |
Age group (n) | |||||
 45–64 years | 1.60 | 0.82 | 1 | 1 | 6 |
 65–84 years | 3.77 | 1.73 | 1 | 4 | 12 |
 85 years or older | 2.08 | 1.09 | 1 | 2 | 7 |
PM2.5 (μg/m3) | |||||
 All year | 43.57 | 25.05 | 4 | 38 | 171 |
 Spring | 45.26 | 18.63 | 9 | 43 | 125 |
 Summer | 29.25 | 15.65 | 4 | 26 | 141 |
 Autumn | 36.84 | 18.19 | 10 | 34 | 146 |
 Winter | 63.26 | 30.98 | 14 | 56 | 171 |
O3 (μg/m3) | |||||
 All year | 100.13 | 50.58 | 2 | 93.60 | 285.00 |
 Spring | 117.68 | 45.36 | 11 | 113.00 | 252.00 |
 Summer | 120.90 | 52.66 | 10 | 118.00 | 285.00 |
 Autumn | 101.25 | 46.11 | 2 | 99.00 | 238.00 |
 Winter | 59.90 | 30.39 | 2 | 59.00 | 176.00 |
Average temperature (°C) | |||||
 All year | 16.91 | 9.07 | −6.70 | 17.80 | 34.70 |
 Spring | 16.64 | 5.54 | 2.90 | 17.20 | 31.70 |
 Summer | 27.36 | 3.28 | 18.70 | 27.20 | 34.70 |
 Autumn | 18.07 | 5.65 | 0.10 | 17.90 | 29.30 |
 Winter | 5.36 | 3.50 | -6.70 | 5.30 | 14.90 |
Relative humidity (%) | |||||
 All year | 72.99 | 13.99 | 28 | 73 | 100 |
 Spring | 68.46 | 15.09 | 28 | 68 | 100 |
 Summer | 76.95 | 10.70 | 49 | 77 | 100 |
 Autumn | 75.20 | 12.77 | 42 | 75 | 100 |
 Winter | 71.33 | 15.33 | 32 | 71 | 100 |