What is the air quality trend in Kunshan?

Over the past 7 days, Kunshan had an average AQI of 65 based on station measurements. The worst day was 2026-05-23 with AQI 74.

How is Kunshan air quality measured?

Air quality in Kunshan 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 Kunshan, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 15 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-28	68	54–120	20.0 µg/m³	23h	18
2026-05-27	67	59–76	19.4 µg/m³	24h	19
2026-05-26	60	48–73	16.4 µg/m³	24h	21
2026-05-25	57	51–63	14.9 µg/m³	24h	20
2026-05-24	62	48–77	17.5 µg/m³	24h	21
2026-05-23	74	57–125	23.0 µg/m³	24h	20
2026-05-22	68	57–115	20.1 µg/m³	23h	21

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