What is the air quality trend in Minamata?

Over the past 15 days, Minamata had an average AQI of 53 based on station measurements. The worst day was 2026-10-14 with AQI 86.

How is Minamata air quality measured?

Air quality in Minamata 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 Minamata, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

334h

PM2.5 Station

334h · 17 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	34	25–45	8.1 µg/m³	10h	13
2026-10-20	45	21–158	12.6 µg/m³	24h	10
2026-10-19	47	25–91	12.5 µg/m³	24h	9
2026-10-18	36	23–51	8.7 µg/m³	24h	11
2026-10-17	59	30–107	16.8 µg/m³	24h	9
2026-10-16	70	38–143	21.1 µg/m³	24h	8
2026-10-15	70	35–184	24.7 µg/m³	24h	9
2026-10-14	86	28–220	32.7 µg/m³	24h	9
2026-10-13	59	25–161	17.4 µg/m³	24h	9
2026-10-12	55	40–162	15.3 µg/m³	24h	9
2026-10-11	61	31–182	19.4 µg/m³	24h	7
2026-10-10	51	21–72	13.2 µg/m³	24h	9
2026-10-09	56	24–172	17.4 µg/m³	24h	9
2026-10-08	34	18–61	8.4 µg/m³	24h	13
2026-10-07	37	28–55	8.8 µg/m³	12h	13

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