What is the air quality trend in Ishigami?

Over the past 21 days, Ishigami had an average AQI of 35 based on station measurements. The worst day was 2026-05-09 with AQI 44.

How is Ishigami air quality measured?

Air quality in Ishigami 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 Ishigami, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

477h

PM2.5 Station

477h · 21 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	36	27–47	8.7 µg/m³	20h	22
2026-05-28	32	20–46	7.8 µg/m³	24h	20
2026-05-27	34	21–43	8.1 µg/m³	24h	21
2026-05-26	35	25–55	8.4 µg/m³	24h	21
2026-05-25	35	27–46	8.5 µg/m³	24h	21
2026-05-24	37	29–48	8.8 µg/m³	24h	22
2026-05-23	36	24–45	8.7 µg/m³	24h	22
2026-05-22	33	20–46	7.9 µg/m³	24h	21
2026-05-21	31	23–40	7.5 µg/m³	24h	19
2026-05-20	32	21–44	7.7 µg/m³	24h	20
2026-05-19	36	28–54	8.8 µg/m³	24h	20
2026-05-18	38	28–53	9.2 µg/m³	24h	22
2026-05-17	35	8–50	8.3 µg/m³	24h	17
2026-05-16	40	8–73	9.9 µg/m³	22h	21
2026-05-15	41	26–56	10.0 µg/m³	24h	22
2026-05-14	40	25–74	9.9 µg/m³	24h	22
2026-05-13	35	18–56	8.5 µg/m³	24h	22
2026-05-12	27	20–40	6.5 µg/m³	24h	23
2026-05-11	33	23–44	7.9 µg/m³	24h	25
2026-05-10	37	28–53	8.8 µg/m³	24h	22
2026-05-09	44	38–49	10.5 µg/m³	3h	21

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