What is the air quality trend in Daguan?

Over the past 14 days, Daguan had an average AQI of 56 based on station measurements. The worst day was 2026-07-20 with AQI 65.

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

335h

PM2.5 Station

335h · 19 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	63	27–89	18.1 µg/m³	24h	13
2026-07-20	65	54–83	18.8 µg/m³	24h	16
2026-07-19	59	51–73	16.1 µg/m³	24h	16
2026-07-18	62	43–118	17.4 µg/m³	24h	14
2026-07-17	59	50–74	15.7 µg/m³	24h	17
2026-07-16	54	39–153	14.5 µg/m³	24h	17
2026-07-15	47	33–66	11.8 µg/m³	24h	14
2026-07-14	53	36–68	13.5 µg/m³	24h	13
2026-07-13	61	30–156	17.5 µg/m³	24h	15
2026-07-12	51	25–67	13.0 µg/m³	24h	15
2026-07-11	60	38–158	16.6 µg/m³	24h	16
2026-07-10	54	45–64	13.7 µg/m³	24h	15
2026-07-09	56	38–158	15.6 µg/m³	24h	16
2026-07-08	53	37–153	14.0 µg/m³	23h	18

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