What is the air quality trend in Hải Dương?

Over the past 8 days, Hải Dương had an average AQI of 77 based on station measurements. The worst day was 2026-10-14 with AQI 121.

How is Hải Dương air quality measured?

Air quality in Hải Dương 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 Hải Dương, Vietnam

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

Historical PM2.5 and AQI trend from monitoring stations near Hải Dương, Vietnam.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 3 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-20	53	20–75	14.5 µg/m³	52.9	18h	3
2026-10-19	54	28–83	14.8 µg/m³	52.4	24h	3
2026-10-18	59	36–107	16.5 µg/m³	52.7	24h	3
2026-10-17	65	35–92	19.3 µg/m³	57.9	24h	3
2026-10-16	67	52–91	19.5 µg/m³	58.9	24h	3
2026-10-15	89	64–112	29.9 µg/m³	73.4	24h	3
2026-10-14	121	103–152	43.6 µg/m³	92.4	24h	3
2026-10-13	108	95–119	38.6 µg/m³	102.3	3h	3

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