What is the air quality trend in Puyang Chengguanzhen?

Over the past 8 days, Puyang Chengguanzhen had an average AQI of 72 based on station measurements. The worst day was 2026-10-15 with AQI 121.

How is Puyang Chengguanzhen air quality measured?

Air quality in Puyang 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 Puyang Chengguanzhen, China

Name: Puyang 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 Puyang Chengguanzhen, China.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

156h

PM2.5 Station

156h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	26	19–32	6.1 µg/m³	8h	4
2026-10-20	69	18–133	21.8 µg/m³	20h	3
2026-10-19	77	33–126	24.3 µg/m³	23h	3
2026-10-18	43	25–67	10.6 µg/m³	23h	4
2026-10-17	51	23–97	13.7 µg/m³	24h	3
2026-10-16	82	42–171	28.1 µg/m³	21h	3
2026-10-15	121	66–153	43.8 µg/m³	23h	3
2026-10-14	108	77–166	39.6 µg/m³	14h	2

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