铁路设计院 Real-time Air Quality Index (AQI) & Pollution Report - Air Matters

铁路设计院

Chengguan, Gansu

2026-09-25 02:41

AQI (China)

Good

PM10

μg/m³

52

PM2.5

μg/m³

20

NO2

μg/m³

38

CO

μg/m³

1400

O3

μg/m³

13

SO2

μg/m³

10

Weather

18℃

58%

2 kph

0 of 11

Historical Data

Data Sources

http://www.cnemc.cn

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