Call:

lm(formula = tAQI ~ tPM2.5 + PM10 + O3)

Residuals:

Min 1Q Median 3Q Max

−0.14596 −0.05394 −0.01348 0.03781 0.23737

Coefficients:

Estimate Std. Error t value Pr(>|t|)

(Intercept) 2.187334 0.409397 5.343 4.22e−06 ***

tPM2.5 0.399506 0.128671 3.1050.00354 **

PM10 0.003997 0.001127 3.5460.00104 **

O₃ 0.003511 0.000544 6.455 1.21e−07 ***

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Signif. codes:0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.08817 on 39 degrees of freedom

Multiple R-squared:0.9308, Adjusted R-squared:0.9255

F-statistic: 174.8 on 3 and 39 DF,p-value: < 2.2e−16