What is the air quality trend in Higashimurayama?

Over the past 14 days, Higashimurayama had an average AQI of 26 based on station measurements. The worst day was 2026-05-31 with AQI 59.

How is Higashimurayama air quality measured?

Air quality in Higashimurayama 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 Higashimurayama, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

221h

PM2.5 Station

221h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	22	3–61	5.6 µg/m³	6.8	7h	1
2026-06-08	29	2–82	8.3 µg/m³	9.2	16h	1
2026-06-07	39	4–96	11.5 µg/m³	13.2	22h	1
2026-06-06	55	2–89	17.1 µg/m³	20.0	15h	1
2026-06-05	15	4–34	3.6 µg/m³	4.4	17h	1
2026-06-04	11	4–20	2.8 µg/m³	3.4	14h	1
2026-06-02	9	3–19	1.9 µg/m³	2.3	11h	1
2026-06-01	41	4–71	11.0 µg/m³	12.0	21h	1
2026-05-31	59	14–83	17.0 µg/m³	18.9	24h	1
2026-05-30	18	5–55	4.3 µg/m³	4.9	22h	1
2026-05-29	8	1–18	1.9 µg/m³	2.4	14h	1
2026-05-28	24	2–51	5.6 µg/m³	7.2	13h	1
2026-05-27	19	4–55	4.7 µg/m³	5.6	17h	1
2026-05-26	21	2–63	5.3 µg/m³	6.5	8h	1

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