What is the air quality trend in Yong’an?

Over the past 8 days, Yong’an had an average AQI of 64 based on station measurements. The worst day was 2026-10-15 with AQI 103.

How is Yong’an air quality measured?

Air quality in Yong’an 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 Yong’an, China

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

Historical PM2.5 and AQI trend from monitoring stations near Yong’an, China.

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

91h

PM2.5 Station

91h · 1 station

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	15	15–15	3.6 µg/m³	1h	1
2026-10-20	52	21–124	14.8 µg/m³	17h	1
2026-10-19	54	23–87	15.0 µg/m³	11h	1
2026-10-18	52	21–99	15.1 µg/m³	12h	1
2026-10-17	61	26–117	18.4 µg/m³	13h	1
2026-10-16	87	46–151	28.7 µg/m³	13h	1
2026-10-15	103	63–157	36.4 µg/m³	13h	1
2026-10-14	88	53–127	29.2 µg/m³	11h	1

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