What is the air quality trend in Zhangjiagang?

Over the past 14 days, Zhangjiagang had an average AQI of 87 based on station measurements. The worst day was 2026-10-12 with AQI 114.

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

262h

PM2.5 Station

262h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-20	62	22–102	18.1 µg/m³	21h	2
2026-10-19	63	21–110	19.0 µg/m³	20h	1
2026-10-18	53	21–95	15.3 µg/m³	21h	2
2026-10-17	60	44–98	17.0 µg/m³	21h	2
2026-10-16	75	40–137	23.4 µg/m³	19h	2
2026-10-15	100	53–157	34.8 µg/m³	17h	2
2026-10-14	100	50–147	34.5 µg/m³	12h	2
2026-10-13	80	42–127	25.9 µg/m³	20h	2
2026-10-12	114	55–176	44.7 µg/m³	18h	2
2026-10-11	106	46–180	42.4 µg/m³	11h	2
2026-10-10	100	38–174	37.4 µg/m³	21h	2
2026-10-09	108	61–182	42.6 µg/m³	15h	2
2026-10-08	111	66–152	39.2 µg/m³	23h	4
2026-10-07	87	49–152	29.0 µg/m³	23h	4

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