What is the air quality trend in Bizen?

Over the past 21 days, Bizen had an average AQI of 38 based on station measurements. The worst day was 2026-05-16 with AQI 53.

How is Bizen air quality measured?

Air quality in Bizen 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 Bizen, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Bizen, Japan.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

476h

PM2.5 Station

476h · 25 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	44	37–54	10.7 µg/m³	4h	27
2026-05-29	36	26–45	8.6 µg/m³	24h	22
2026-05-28	31	24–40	7.3 µg/m³	24h	25
2026-05-27	30	23–49	7.2 µg/m³	24h	25
2026-05-26	34	20–88	8.4 µg/m³	24h	24
2026-05-25	34	28–41	8.1 µg/m³	24h	25
2026-05-24	34	24–45	8.1 µg/m³	24h	24
2026-05-23	35	27–47	8.5 µg/m³	24h	26
2026-05-22	28	20–38	6.6 µg/m³	24h	25
2026-05-21	30	22–45	7.2 µg/m³	24h	22
2026-05-20	34	25–51	8.1 µg/m³	24h	26
2026-05-19	41	29–58	9.8 µg/m³	24h	25
2026-05-18	51	41–60	12.7 µg/m³	24h	26
2026-05-17	43	14–55	10.4 µg/m³	24h	24
2026-05-16	53	28–64	13.3 µg/m³	21h	25
2026-05-15	52	34–58	12.8 µg/m³	24h	23
2026-05-14	48	40–53	11.6 µg/m³	24h	25
2026-05-13	36	24–46	8.5 µg/m³	24h	24
2026-05-12	33	23–40	7.9 µg/m³	24h	25
2026-05-11	45	30–80	11.5 µg/m³	24h	19
2026-05-10	40	32–61	9.7 µg/m³	19h	22

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