Variables

Winter

Spring

Summer

Autumn

Air pressure

Coef.

0.0351***

0.0126***

−0.0613***

0.0042

Elasticity (%)

35.6334

12.7967

−61.4696

4.2664

Marginal effect (μg/m³)

1.2480

0.3383

−1.5434

0.1367

Wind speed

Coef.

−0.2613***

−0.1452***

−0.2343***

−0.2871***

Elasticity (%)

−0.3220

−0.2402

−0.3841

−0.3522

Marginal effect (μg/m³)

−9.3045

−3.8905

−5.9034

−9.2697

Temperature

Coef.

0.0363***

−0.0265***

−0.0564***

0.0181***

Elasticity (%)

0.7482

−0.5910

−1.6884

0.5102

Marginal effect (μg/m³)

1.2941

−0.7101

−1.4203

0.5857

Solar radiation

Coef.

−0.0009***

0.0000

−0.0002**

−0.0007***

Elasticity (%)

−0.0777

0.0018

−0.0319

−0.0996

Marginal effect (μg/m³)

−0.0317

0.0005

−0.0047

−0.0218