What is the air quality trend in Acheng?

Over the past 15 days, Acheng had an average AQI of 45 based on station measurements. The worst day was 2026-05-25 with AQI 56.

How is Acheng air quality measured?

Air quality in Acheng 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 Acheng, China

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

312h

PM2.5 Station

312h · 5 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	26	26–26	6.2 µg/m³	1h	5
2026-05-29	53	19–125	14.9 µg/m³	22h	3
2026-05-28	45	18–91	12.1 µg/m³	23h	3
2026-05-27	46	23–68	11.4 µg/m³	20h	3
2026-05-26	45	21–71	11.8 µg/m³	24h	3
2026-05-25	56	18–318	22.6 µg/m³	23h	3
2026-05-24	43	15–76	11.1 µg/m³	21h	3
2026-05-23	48	20–80	12.8 µg/m³	23h	4
2026-05-22	50	14–137	13.4 µg/m³	23h	3
2026-05-21	38	12–67	9.6 µg/m³	22h	3
2026-05-20	45	7–85	11.8 µg/m³	22h	3
2026-05-19	52	23–90	13.9 µg/m³	24h	3
2026-05-18	46	17–67	11.7 µg/m³	23h	3
2026-05-17	46	24–84	11.9 µg/m³	23h	4
2026-05-16	41	26–76	10.5 µg/m³	18h	4

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