What is the air quality trend in Zhangjiagang?

Over the past 8 days, Zhangjiagang had an average AQI of 76 based on station measurements. The worst day was 2026-10-14 with AQI 105.

How is Zhangjiagang air quality measured?

Air quality in Zhangjiagang 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 Zhangjiagang, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

131h

PM2.5 Station

131h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	70	70–70	21.1 µg/m³	1h	1
2026-10-20	54	10–100	15.3 µg/m³	17h	2
2026-10-19	77	26–129	24.8 µg/m³	22h	1
2026-10-18	57	18–113	16.7 µg/m³	23h	2
2026-10-17	61	23–104	17.7 µg/m³	20h	2
2026-10-16	93	38–175	33.7 µg/m³	18h	1
2026-10-15	97	42–172	36.2 µg/m³	20h	2
2026-10-14	105	29–173	41.1 µg/m³	10h	1

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