Call:

lm(formula = AQI ~ PM2.5 + PM10 + O₃)

Residuals:

Min 1QMedian 3Q Max

−12.2394 −4.0724 −0.11663.582519.8939

Coefficients:

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

(Intercept) −9.12503 7.90795−1.154 0.255561

PM2.5 0.87644 0.0810410.815 2.66e-13 ***

PM10 0.25403 0.06878 3.693 0.000677 ***

O₃ 0.30719 0.04108 7.477 4.79e−09 ***

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

Residual standard error: 7.021 on 39 degrees of freedom

Multiple R-squared:0.973, Adjusted R-squared:0.9709

F-statistic: 468.4 on 3 and 39 DF,p-value: < 2.2e−16