What is the air quality trend in Suzhou?

Over the past 8 days, Suzhou had an average AQI of 63 based on station measurements. The worst day was 2026-06-02 with AQI 77.

How is Suzhou air quality measured?

Air quality in Suzhou 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 Suzhou, China

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

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

122

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 14 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	69	45–99	21.1 µg/m³	4h	12
2026-06-08	48	33–63	11.9 µg/m³	24h	10
2026-06-07	53	39–67	13.7 µg/m³	24h	10
2026-06-06	61	38–79	17.0 µg/m³	24h	11
2026-06-05	64	47–79	18.4 µg/m³	24h	10
2026-06-04	63	50–80	17.8 µg/m³	24h	10
2026-06-03	70	57–88	21.2 µg/m³	24h	10
2026-06-02	77	59–102	24.5 µg/m³	19h	10

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