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

铁路设计院

Chengguan, Gansu

2026-06-21 04:01

AQI (US)

Moderate

PM2.5

μg/m³

21

PM10

μg/m³

38

O3

μg/m³

64

NO2

μg/m³

24

CO

μg/m³

800

SO2

μg/m³

8

Weather

18℃

70%

3 kph

4 of 11

Historical Data

Data Sources

http://www.cnemc.cn

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