What is the air quality trend in Sakaki?

Over the past 15 days, Sakaki had an average AQI of 46 based on station measurements. The worst day was 2026-10-09 with AQI 65.

How is Sakaki air quality measured?

Air quality in Sakaki 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 Sakaki, Japan

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

319h

PM2.5 Station

319h · 1 station

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	29	20–52	7.0 µg/m³	11h	3
2026-10-20	35	18–79	8.6 µg/m³	22h	3
2026-10-19	36	9–90	9.3 µg/m³	24h	3
2026-10-18	34	20–58	8.2 µg/m³	24h	3
2026-10-17	41	25–65	10.2 µg/m³	21h	2
2026-10-16	60	10–119	17.8 µg/m³	21h	2
2026-10-15	54	21–159	17.1 µg/m³	21h	2
2026-10-14	63	25–204	21.9 µg/m³	24h	3
2026-10-13	59	20–135	17.3 µg/m³	24h	2
2026-10-12	52	32–153	14.2 µg/m³	23h	3
2026-10-11	52	17–151	14.7 µg/m³	24h	2
2026-10-10	45	4–136	12.6 µg/m³	22h	2
2026-10-09	65	24–189	24.8 µg/m³	24h	2
2026-10-08	40	17–71	9.9 µg/m³	24h	3
2026-10-07	38	20–53	9.1 µg/m³	10h	4

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