What is the air quality trend in Beihai?

Over the past 8 days, Beihai had an average AQI of 63 based on station measurements. The worst day was 2026-07-19 with AQI 70.

How is Beihai air quality measured?

Air quality in Beihai 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 Beihai, China

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

158h

PM2.5 Station

158h · 2 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-21	63	21–117	19.0 µg/m³	19h	3
2026-07-20	64	32–79	18.9 µg/m³	23h	4
2026-07-19	70	51–100	21.2 µg/m³	24h	3
2026-07-18	68	40–91	20.6 µg/m³	21h	4
2026-07-17	58	38–77	16.1 µg/m³	22h	3
2026-07-16	56	22–99	15.9 µg/m³	23h	3
2026-07-15	60	42–79	16.8 µg/m³	23h	3
2026-07-14	65	54–75	18.8 µg/m³	3h	2

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