What is the air quality trend in Guang’an?

Over the past 15 days, Guang’an had an average AQI of 54 based on station measurements. The worst day was 2026-09-03 with AQI 66.

How is Guang’an air quality measured?

Air quality in Guang’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 Guang’an, China

Name: Guang’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 Guang’an, China.

132

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

285h

PM2.5 Station

285h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	61	42–89	17.5 µg/m³	12h	2
2026-09-04	57	25–116	15.8 µg/m³	19h	2
2026-09-03	66	18–184	22.4 µg/m³	22h	2
2026-09-02	64	14–126	19.6 µg/m³	21h	2
2026-09-01	53	13–129	15.3 µg/m³	21h	2
2026-08-31	46	25–70	11.8 µg/m³	22h	2
2026-08-30	54	25–89	14.9 µg/m³	21h	2
2026-08-29	53	13–112	14.8 µg/m³	22h	2
2026-08-28	55	9–97	16.1 µg/m³	21h	2
2026-08-27	49	18–79	12.9 µg/m³	20h	2
2026-08-26	56	28–82	15.3 µg/m³	21h	2
2026-08-25	46	21–72	11.9 µg/m³	18h	2
2026-08-24	56	13–122	15.9 µg/m³	24h	2
2026-08-23	57	25–112	16.4 µg/m³	16h	2
2026-08-22	51	30–70	13.6 µg/m³	5h	1

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