What is the air quality trend in Zhangji?

Over the past 8 days, Zhangji had an average AQI of 69 based on station measurements. The worst day was 2026-06-09 with AQI 127.

How is Zhangji air quality measured?

Air quality in Zhangji 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 Zhangji, China

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

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

123

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

140h

PM2.5 Station

140h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	127	127–127	45.9 µg/m³	1h	2
2026-06-08	46	18–132	12.8 µg/m³	18h	2
2026-06-07	48	19–80	12.7 µg/m³	22h	2
2026-06-06	57	21–87	15.9 µg/m³	21h	2
2026-06-05	64	33–97	18.7 µg/m³	21h	2
2026-06-04	66	27–98	20.0 µg/m³	21h	2
2026-06-03	72	33–159	22.6 µg/m³	18h	2
2026-06-02	72	46–122	22.2 µg/m³	18h	2

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