What is the air quality trend in Dalian?

Over the past 15 days, Dalian had an average AQI of 62 based on station measurements. The worst day was 2026-05-31 with AQI 78.

How is Dalian air quality measured?

Air quality in Dalian 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 Dalian, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

298h

PM2.5 Station

298h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-08	45	19–89	12.0 µg/m³	20h	2
2026-06-07	54	11–151	15.1 µg/m³	23h	2
2026-06-06	61	33–124	18.0 µg/m³	23h	1
2026-06-05	60	25–124	17.5 µg/m³	23h	1
2026-06-04	78	44–144	24.7 µg/m³	22h	2
2026-06-03	75	35–188	25.9 µg/m³	23h	2
2026-06-02	74	31–154	23.9 µg/m³	19h	1
2026-06-01	77	12–154	25.8 µg/m³	20h	2
2026-05-31	78	29–152	25.0 µg/m³	20h	1
2026-05-30	69	22–99	21.4 µg/m³	22h	2
2026-05-29	60	18–154	18.0 µg/m³	19h	1
2026-05-28	59	17–93	17.1 µg/m³	23h	1
2026-05-27	63	25–107	18.6 µg/m³	21h	1
2026-05-26	52	29–76	13.8 µg/m³	19h	1
2026-05-25	30	30–30	7.2 µg/m³	1h	1

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