季节

春

夏

秋

冬

SO₂

3.294357

2.690921

2.829021

2.595255

NO₂

1.358658

1.109789

1.166744

1.070334

PM₁₀

3.319929

2.711808

2.85098

2.6154

PM_2.5

1.817011

1.484184

1.560353

1.431419