What is the air quality trend in Gucheng Chengguanzhen?

Over the past 2 days, Gucheng Chengguanzhen had an average AQI of 69 based on station measurements. The worst day was 2026-07-21 with AQI 71.

How is Gucheng Chengguanzhen air quality measured?

Air quality in Gucheng Chengguanzhen 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 Gucheng Chengguanzhen, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

41h

PM2.5 Station

41h · 2 stations

Temperature GFS model

7pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	71	42–149	21.9 µg/m³	21h	2
2026-07-20	68	30–97	20.7 µg/m³	20h	2

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