What is the air quality trend in Jiayuguan?

Over the past 3 days, Jiayuguan had an average AQI of 83 based on station measurements. The worst day was 2026-07-19 with AQI 109.

How is Jiayuguan air quality measured?

Air quality in Jiayuguan is measured by ground-level monitoring stations that report PM2.5 and PM10 concentrations hourly. CERNS.IO aggregates readings from nearby stations and converts PM2.5 to the US EPA Air Quality Index (AQI) scale.

Air Quality History for Jiayuguan, China

Name: Jiayuguan Air Quality History
Creator: CERNS.IO
License: https://creativecommons.org/licenses/by/4.0/

Historical PM2.5 and AQI trend from monitoring stations near Jiayuguan, China.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

25h

PM2.5 Station

25h · 2 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	67	46–117	19.9 µg/m³	12h	1
2026-07-20	73	30–153	23.2 µg/m³	12h	1
2026-07-19	109	109–109	38.9 µg/m³	1h	2

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