What is the air quality trend in Zhicheng?

Over the past 7 days, Zhicheng had an average AQI of 78 based on station measurements. The worst day was 2026-10-15 with AQI 99.

How is Zhicheng air quality measured?

Air quality in Zhicheng 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 Zhicheng, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

134h

PM2.5 Station

134h · 4 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-20	68	19–117	21.8 µg/m³	23h	3
2026-10-19	90	60–158	30.7 µg/m³	23h	5
2026-10-18	63	17–147	19.7 µg/m³	20h	2
2026-10-17	66	30–85	19.7 µg/m³	20h	3
2026-10-16	76	46–122	23.7 µg/m³	22h	5
2026-10-15	99	66–139	33.9 µg/m³	22h	4
2026-10-14	90	61–124	30.1 µg/m³	4h	4

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