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

衡山县

Hengyang, Hunan

2026-01-21 05:00

AQI (US)

Moderate

PM2.5

μg/m³

27.1

PM10

μg/m³

36.1

O3

μg/m³

50.3

NO2

μg/m³

14.8

CO

μg/m³

633.7

SO2

μg/m³

6.5

Weather

-1℃

78%

13 kph

1 of 11

Historical Data

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