Variable

Estimate

Standard Error

t-Statistic

p-Value

(Intercept)

−0.0756

0.0785

−0.9630

0.3360

Good

−0.0001

0.0004

−0.2840

0.7770

Mod

0.0036

0.0006

6.4930

0.0000***

Unhealthy

0.0009

0.0016

0.5740

0.5660

v.unhealthy

−0.0260

0.0064

−4.0730

0.0001***

haz

−0.1119

0.0239

−4.6790

0.0000***

CO

0.0004

0.0053

0.0850

0.9330

NO₂

−0.0007

0.0018

−0.4110

0.6810

O₃

0.0000

0.0003

−0.0400

0.9680

SO₂

0.0005

0.0004

1.0940

0.2740

PM2.5

0.0005

0.0003

1.4140

0.1580

PM10

NA

NA

NA

NA

aqi

0.0024

0.0002

10.3140

0.0000***