What is the air quality trend in Chengxian Chengguanzhen?

Over the past 15 days, Chengxian Chengguanzhen had an average AQI of 51 based on station measurements. The worst day was 2026-07-22 with AQI 89.

How is Chengxian Chengguanzhen air quality measured?

Air quality in Chengxian 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 Chengxian Chengguanzhen, China

Name: Chengxian 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 Chengxian Chengguanzhen, China.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

90h

PM2.5 Station

90h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	89	89–89	30.2 µg/m³	1h	1
2026-07-21	55	18–96	17.5 µg/m³	4h	1
2026-07-20	47	30–78	12.4 µg/m³	9h	1
2026-07-19	49	17–89	13.8 µg/m³	7h	1
2026-07-18	77	53–102	24.2 µg/m³	4h	1
2026-07-17	44	14–74	11.6 µg/m³	9h	1
2026-07-16	42	21–76	11.3 µg/m³	5h	1
2026-07-15	42	13–76	12.2 µg/m³	5h	1
2026-07-14	42	25–63	10.8 µg/m³	4h	1
2026-07-13	38	17–72	9.6 µg/m³	11h	1
2026-07-12	41	17–57	10.1 µg/m³	6h	1
2026-07-11	41	25–63	10.4 µg/m³	6h	1
2026-07-10	58	46–76	15.8 µg/m³	6h	1
2026-07-09	51	21–91	14.6 µg/m³	7h	1
2026-07-08	52	30–66	13.6 µg/m³	6h	1

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