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

衡山县

Hengyang, Hunan

2026-04-23 08:00

AQI (US)

Moderate

PM2.5

μg/m³

21.5

PM10

μg/m³

33.2

O3

μg/m³

51.6

CO

μg/m³

277

NO2

μg/m³

4.4

SO2

μg/m³

2.9

Weather

19℃

70%

7 kph

2 of 11

Historical Data

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