What is the air quality trend in Haizhou?

Over the past 7 days, Haizhou had an average AQI of 75 based on station measurements. The worst day was 2026-10-15 with AQI 112.

How is Haizhou air quality measured?

Air quality in Haizhou 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 Haizhou, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 5 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-20	74	38–118	23.3 µg/m³	22h	3
2026-10-19	71	46–100	21.5 µg/m³	24h	3
2026-10-18	52	39–68	13.6 µg/m³	24h	4
2026-10-17	55	28–97	15.1 µg/m³	24h	4
2026-10-16	78	37–152	25.0 µg/m³	24h	4
2026-10-15	112	71–174	41.2 µg/m³	24h	4
2026-10-14	88	52–129	29.4 µg/m³	23h	3

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