What is the air quality trend in Guang’an?

Over the past 21 days, Guang’an had an average AQI of 70 based on station measurements. The worst day was 2026-05-12 with AQI 95.

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.

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

464h

PM2.5 Station

464h · 1 station

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	65	65–65	18.8 µg/m³	1h	1
2026-05-29	69	46–117	20.6 µg/m³	23h	2
2026-05-28	61	34–97	17.4 µg/m³	23h	2
2026-05-27	68	25–125	20.4 µg/m³	24h	2
2026-05-26	55	23–81	14.9 µg/m³	24h	2
2026-05-25	58	26–99	16.0 µg/m³	24h	2
2026-05-24	71	13–367	29.6 µg/m³	24h	2
2026-05-23	71	34–144	22.0 µg/m³	24h	2
2026-05-22	64	32–104	18.6 µg/m³	24h	2
2026-05-21	70	38–114	21.4 µg/m³	24h	2
2026-05-20	60	24–200	20.4 µg/m³	24h	2
2026-05-19	66	19–119	19.7 µg/m³	24h	2
2026-05-18	58	30–102	16.2 µg/m³	24h	2
2026-05-17	63	33–88	18.1 µg/m³	21h	2
2026-05-16	75	26–167	24.7 µg/m³	21h	2
2026-05-15	69	41–95	20.8 µg/m³	24h	2
2026-05-14	81	20–193	29.5 µg/m³	24h	2
2026-05-13	80	35–131	26.1 µg/m³	24h	2
2026-05-12	95	25–169	34.6 µg/m³	24h	2
2026-05-11	88	58–143	29.3 µg/m³	20h	2
2026-05-10	92	56–182	33.9 µg/m³	19h	2

Back to Guang’an Air Quality