What is the air quality trend in Guozhen?

Over the past 8 days, Guozhen had an average AQI of 61 based on station measurements. The worst day was 2026-09-05 with AQI 83.

How is Guozhen air quality measured?

Air quality in Guozhen 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 Guozhen, China

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

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

109

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

161h

PM2.5 Station

161h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	83	44–153	27.4 µg/m³	16h	3
2026-09-04	69	52–113	20.5 µg/m³	23h	3
2026-09-03	66	33–151	19.5 µg/m³	23h	3
2026-09-02	54	11–95	14.9 µg/m³	24h	3
2026-09-01	49	30–71	12.6 µg/m³	23h	3
2026-08-31	59	7–163	17.8 µg/m³	24h	3
2026-08-30	62	25–151	17.8 µg/m³	24h	3
2026-08-29	48	36–59	11.9 µg/m³	4h	3

Back to Guozhen Air Quality