What is the air quality trend in Ishinari?

Over the past 15 days, Ishinari had an average AQI of 36 based on station measurements. The worst day was 2026-05-16 with AQI 53.

How is Ishinari air quality measured?

Air quality in Ishinari 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 Ishinari, Japan

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

330h

PM2.5 Station

330h · 29 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-30	44	36–55	10.7 µg/m³	4h	32
2026-05-29	37	28–46	8.8 µg/m³	24h	35
2026-05-28	30	23–39	7.3 µg/m³	24h	37
2026-05-27	28	20–36	6.7 µg/m³	24h	37
2026-05-26	30	23–39	7.3 µg/m³	24h	35
2026-05-25	33	25–42	8.0 µg/m³	24h	38
2026-05-24	33	24–43	7.9 µg/m³	24h	35
2026-05-23	34	28–43	8.1 µg/m³	24h	39
2026-05-22	28	19–38	6.7 µg/m³	24h	38
2026-05-21	29	23–38	7.0 µg/m³	24h	31
2026-05-20	34	21–42	8.2 µg/m³	24h	39
2026-05-19	38	28–54	9.1 µg/m³	24h	39
2026-05-18	51	42–59	12.7 µg/m³	24h	38
2026-05-17	42	29–52	10.2 µg/m³	23h	36
2026-05-16	53	40–58	13.2 µg/m³	15h	35

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