相对湿度%

拟合方程

相关系数

PM_2.5阈值

RH < 40

y = 41.068x^−0.186

0.4258

——

40 ≤ RH < 50

y = 78.008x^−0.442

0.6267

104 μg/m³

50 ≤ RH < 60

y = 120.43x^−0.588

0.691

69 μg/m³

60 ≤ RH < 70

y = 172.57x^−0.726

0.7208

50 μg/m³

70 ≤ RH < 80

y = 189.45x^−0.808

0.7374

38 μg/m³

80 ≤ RH < 90

y = 222.92x^−0.925

0.7958

29 μg/m³

RH > 90

y = 125.61x^−0.961

0.5186

14 μg/m³