What is the air quality trend in Kutchan?

Over the past 15 days, Kutchan had an average AQI of 35 based on station measurements. The worst day was 2026-09-05 with AQI 51.

How is Kutchan air quality measured?

Air quality in Kutchan 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 Kutchan, Japan

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

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

Current AQI
Moderate CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

303h

PM2.5 Station

303h · 2 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-09-05	51	20–196	21.9 µg/m³	10h	2
2026-09-04	26	5–73	6.8 µg/m³	23h	2
2026-09-03	22	4–61	5.3 µg/m³	21h	2
2026-09-02	43	3–183	15.6 µg/m³	22h	2
2026-09-01	41	10–149	11.3 µg/m³	22h	2
2026-08-31	50	13–186	18.6 µg/m³	21h	2
2026-08-30	42	15–116	11.3 µg/m³	19h	2
2026-08-29	32	7–81	8.5 µg/m³	23h	2
2026-08-28	30	4–67	7.3 µg/m³	21h	2
2026-08-27	31	9–163	9.4 µg/m³	22h	2
2026-08-26	30	5–71	7.7 µg/m³	23h	2
2026-08-25	30	13–68	7.4 µg/m³	22h	2
2026-08-24	37	10–78	9.4 µg/m³	21h	2
2026-08-23	43	18–70	11.0 µg/m³	24h	2
2026-08-22	31	11–42	7.5 µg/m³	9h	1

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