What is the air quality trend in Donghai?

Over the past 15 days, Donghai had an average AQI of 80 based on station measurements. The worst day was 2026-10-13 with AQI 101.

How is Donghai air quality measured?

Air quality in Donghai 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 Donghai, China

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

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

116

Current AQI
Unhealthy for sensitive groups Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

319h

PM2.5 Station

319h · 3 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	79	66–101	25.3 µg/m³	12h	3
2026-10-20	69	36–107	20.6 µg/m³	24h	3
2026-10-19	58	28–104	16.4 µg/m³	22h	2
2026-10-18	58	42–77	15.5 µg/m³	24h	4
2026-10-17	61	38–129	17.2 µg/m³	23h	3
2026-10-16	79	34–114	25.6 µg/m³	22h	2
2026-10-15	98	68–220	38.3 µg/m³	20h	2
2026-10-14	93	66–143	31.5 µg/m³	21h	2
2026-10-13	101	53–136	35.0 µg/m³	24h	2
2026-10-12	92	57–122	31.3 µg/m³	24h	2
2026-10-11	88	46–164	30.1 µg/m³	22h	2
2026-10-10	79	64–107	25.2 µg/m³	24h	2
2026-10-09	83	52–168	28.0 µg/m³	23h	2
2026-10-08	88	34–171	30.9 µg/m³	24h	3
2026-10-07	75	25–162	25.7 µg/m³	10h	2

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