What is the air quality trend in Cuiyun?

Over the past 3 days, Cuiyun had an average AQI of 64 based on station measurements. The worst day was 2026-07-21 with AQI 66.

How is Cuiyun air quality measured?

Air quality in Cuiyun 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 Cuiyun, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

48h

PM2.5 Station

48h · 27 stations

Temperature GFS model

8pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	66	45–81	19.2 µg/m³	23h	18
2026-07-20	63	56–84	17.9 µg/m³	24h	21
2026-07-19	64	64–64	18.5 µg/m³	1h	14

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