What is the air quality trend in Ji’an?

Over the past 8 days, Ji’an had an average AQI of 56 based on station measurements. The worst day was 2026-07-22 with AQI 65.

How is Ji’an air quality measured?

Air quality in Ji’an 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 Ji’an, China

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

Historical PM2.5 and AQI trend from monitoring stations near Ji’an, China.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

135h

PM2.5 Station

135h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	65	48–79	18.9 µg/m³	4h	2
2026-07-21	61	34–115	17.0 µg/m³	20h	3
2026-07-20	61	46–84	16.7 µg/m³	15h	3
2026-07-19	50	9–117	14.0 µg/m³	21h	2
2026-07-18	58	18–152	16.3 µg/m³	18h	2
2026-07-17	52	13–112	14.0 µg/m³	20h	2
2026-07-16	49	18–117	12.9 µg/m³	21h	2
2026-07-15	59	20–129	17.0 µg/m³	16h	2

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