What is the air quality trend in Gucheng?

Over the past 7 days, Gucheng had an average AQI of 73 based on station measurements. The worst day was 2026-10-15 with AQI 109.

How is Gucheng air quality measured?

Air quality in Gucheng 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, China

Name: Gucheng 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, China.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

164h

PM2.5 Station

164h · 7 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-20	76	19–161	25.5 µg/m³	23h	4
2026-10-19	68	36–109	20.6 µg/m³	24h	4
2026-10-18	52	22–92	14.2 µg/m³	24h	4
2026-10-17	50	31–75	12.7 µg/m³	24h	4
2026-10-16	68	40–131	20.3 µg/m³	23h	4
2026-10-15	109	52–169	40.1 µg/m³	24h	4
2026-10-14	92	44–150	31.1 µg/m³	22h	3

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