What is the air quality trend in Changzhi?

Over the past 8 days, Changzhi had an average AQI of 62 based on station measurements. The worst day was 2026-07-19 with AQI 74.

How is Changzhi air quality measured?

Air quality in Changzhi 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 Changzhi, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

116h

PM2.5 Station

116h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	53	53–53	13.1 µg/m³	1h	1
2026-07-21	71	33–132	21.7 µg/m³	19h	1
2026-07-20	64	26–137	19.8 µg/m³	13h	1
2026-07-19	74	47–111	23.1 µg/m³	18h	2
2026-07-18	60	38–91	16.8 µg/m³	16h	1
2026-07-17	53	30–82	14.5 µg/m³	16h	1
2026-07-16	62	28–117	18.1 µg/m³	20h	1
2026-07-15	59	21–97	17.4 µg/m³	13h	1

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