What is the air quality trend in Hanyin Chengguanzhen?

Over the past 8 days, Hanyin Chengguanzhen had an average AQI of 52 based on station measurements. The worst day was 2026-07-18 with AQI 61.

How is Hanyin Chengguanzhen air quality measured?

Air quality in Hanyin 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 Hanyin Chengguanzhen, China

Name: Hanyin 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 Hanyin Chengguanzhen, China.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

151h

PM2.5 Station

151h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	58	38–107	15.8 µg/m³	20h	2
2026-07-20	58	30–78	16.2 µg/m³	21h	2
2026-07-19	54	7–95	14.9 µg/m³	22h	2
2026-07-18	61	21–102	17.8 µg/m³	21h	2
2026-07-17	49	16–74	12.6 µg/m³	22h	2
2026-07-16	51	27–90	13.7 µg/m³	22h	2
2026-07-15	45	22–68	11.4 µg/m³	22h	2
2026-07-14	40	40–40	9.7 µg/m³	1h	5

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