What is the air quality trend in Sagamihara?

Over the past 14 days, Sagamihara had an average AQI of 39 based on station measurements. The worst day was with AQI .

How is Sagamihara air quality measured?

Air quality in Sagamihara 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 Sagamihara, Japan

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

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

Current AQI
Good

48 Hours 7 Days 14 Days 20 Days

PM2.5 Trend

260h · 1 station

Daily Summary

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-04-11	48	29–60	12.0 µg/m³	18.5	20h	19
2026-04-10	35	15–57	8.6 µg/m³	17.7	24h	18
2026-04-09	29	13–40	7.0 µg/m³	13.7	18h	17
2026-04-08	35	27–43	8.4 µg/m³	10.1	9h	16
2026-04-07	29	9–63	7.2 µg/m³	11.7	24h	15
2026-04-06	51	42–61	12.9 µg/m³	20.3	18h	19
2026-04-04	37	12–58	9.1 µg/m³	15.6	15h	18
2026-04-03	35	25–48	8.3 µg/m³	11.9	24h	18
2026-04-02	19	6–30	4.4 µg/m³	6.4	23h	14
2026-04-01	16	5–31	3.8 µg/m³	6.1	23h	13
2026-03-31	26	6–36	6.2 µg/m³	12.3	23h	16
2026-03-30	43	23–113	12.3 µg/m³	19.0	11h	16
2026-03-29	64	55–97	18.2 µg/m³	24.6	23h	18
2026-03-28	82	51–119	26.5 µg/m³	34.1	5h	4

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