What is the air quality trend in Daguan?

Over the past 15 days, Daguan had an average AQI of 77 based on station measurements. The worst day was 2026-10-13 with AQI 100.

How is Daguan air quality measured?

Air quality in Daguan 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 Daguan, China

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

332h

PM2.5 Station

332h · 9 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	39	39–39	9.3 µg/m³	1h	9
2026-10-20	65	44–91	19.0 µg/m³	24h	19
2026-10-19	64	45–79	18.5 µg/m³	24h	19
2026-10-18	57	39–86	15.7 µg/m³	24h	15
2026-10-17	51	28–74	13.4 µg/m³	24h	18
2026-10-16	81	59–151	26.1 µg/m³	23h	19
2026-10-15	96	53–151	33.1 µg/m³	24h	18
2026-10-14	91	62–157	31.1 µg/m³	24h	18
2026-10-13	100	78–125	35.1 µg/m³	24h	21
2026-10-12	93	79–118	32.0 µg/m³	24h	20
2026-10-11	91	73–128	31.0 µg/m³	24h	20
2026-10-10	86	71–110	28.8 µg/m³	24h	20
2026-10-09	86	60–112	28.5 µg/m³	24h	27
2026-10-08	88	70–116	29.5 µg/m³	24h	38
2026-10-07	81	65–103	26.6 µg/m³	20h	34

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