What is the air quality trend in Kasumi?

Over the past 15 days, Kasumi had an average AQI of 30 based on station measurements. The worst day was 2026-05-31 with AQI 50.

How is Kasumi air quality measured?

Air quality in Kasumi 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 Kasumi, Japan

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

311h

PM2.5 Station

311h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	24	9–43	5.8 µg/m³	11h	1
2026-06-08	22	6–38	5.3 µg/m³	24h	2
2026-06-07	25	8–55	6.0 µg/m³	22h	3
2026-06-06	32	9–74	8.0 µg/m³	24h	2
2026-06-05	31	9–50	7.3 µg/m³	23h	2
2026-06-04	27	13–50	6.5 µg/m³	21h	2
2026-06-03	24	12–41	5.8 µg/m³	22h	2
2026-06-02	18	5–31	4.3 µg/m³	23h	2
2026-06-01	41	3–63	10.3 µg/m³	21h	2
2026-05-31	50	5–91	13.5 µg/m³	22h	2
2026-05-30	41	18–63	10.2 µg/m³	22h	3
2026-05-29	30	6–52	7.1 µg/m³	20h	2
2026-05-28	31	13–55	7.5 µg/m³	23h	2
2026-05-27	34	9–57	8.4 µg/m³	22h	2
2026-05-26	29	18–45	7.0 µg/m³	11h	3

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