衡山县 Real-time Air Quality Index (AQI) & Pollution Report - Air Matters

衡山县

Hengyang, Hunan

2025-03-15 21:00

AQI (US)

Moderate

PM2.5

μg/m³

21.4

PM10

μg/m³

33.3

O3

μg/m³

55.5

NO2

μg/m³

19.6

CO

μg/m³

453.5

SO2

μg/m³

7.9

Weather

7℃

93%

7 kph

0 of 11

Historical Data

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