许昌学院 Real-time Air Quality Index (AQI) & Pollution Report - Air Matters

许昌学院

Weidu, Henan

2026-04-21 22:51

CAQI (Europe)

Low

PM2.5

μg/m³

28

PM10

μg/m³

39

O3

μg/m³

45

NO2

μg/m³

14

SO2

μg/m³

8

CO

μg/m³

500

Weather

10℃

92%

3 kph

0 of 11

Historical Data

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