What is the air quality trend in Dunhou?

Over the past 14 days, Dunhou had an average AQI of 54 based on station measurements. The worst day was 2026-07-20 with AQI 64.

How is Dunhou air quality measured?

Air quality in Dunhou 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 Dunhou, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

300h

PM2.5 Station

300h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	61	29–101	17.5 µg/m³	21h	3
2026-07-20	64	35–92	18.9 µg/m³	22h	3
2026-07-19	51	22–76	13.8 µg/m³	21h	2
2026-07-18	48	18–77	12.4 µg/m³	22h	3
2026-07-17	50	13–84	13.1 µg/m³	23h	2
2026-07-16	49	18–91	13.1 µg/m³	23h	3
2026-07-15	54	38–120	14.0 µg/m³	22h	2
2026-07-14	61	21–137	17.5 µg/m³	21h	3
2026-07-13	56	38–147	15.3 µg/m³	22h	3
2026-07-12	50	18–79	13.1 µg/m³	17h	3
2026-07-11	48	22–63	12.3 µg/m³	22h	2
2026-07-10	53	13–78	14.1 µg/m³	19h	2
2026-07-09	62	23–178	19.9 µg/m³	23h	2
2026-07-08	49	29–91	12.7 µg/m³	22h	3

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