What is the air quality trend in Chengyang?

Over the past 15 days, Chengyang had an average AQI of 65 based on station measurements. The worst day was 2026-05-23 with AQI 83.

How is Chengyang air quality measured?

Air quality in Chengyang 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 Chengyang, China

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

327h

PM2.5 Station

327h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	66	54–77	19.2 µg/m³	18h	3
2026-05-28	64	53–87	18.2 µg/m³	24h	3
2026-05-27	72	52–124	21.9 µg/m³	24h	3
2026-05-26	56	30–93	15.4 µg/m³	24h	4
2026-05-25	59	21–102	16.4 µg/m³	24h	3
2026-05-24	61	37–106	17.2 µg/m³	24h	4
2026-05-23	83	57–117	27.0 µg/m³	24h	4
2026-05-22	65	40–107	19.0 µg/m³	23h	4
2026-05-21	69	52–86	20.9 µg/m³	24h	4
2026-05-20	70	50–99	21.1 µg/m³	23h	4
2026-05-19	63	41–81	18.1 µg/m³	24h	4
2026-05-18	58	25–112	16.2 µg/m³	24h	3
2026-05-17	59	30–99	16.6 µg/m³	22h	4
2026-05-16	72	44–111	22.1 µg/m³	21h	4
2026-05-15	65	58–74	18.8 µg/m³	4h	4

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