What is the air quality trend in Saga?

Over the past 15 days, Saga had an average AQI of 40 based on station measurements. The worst day was 2026-08-01 with AQI 52.

How is Saga air quality measured?

Air quality in Saga 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 Saga, Japan

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

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

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

332h

PM2.5 Station

332h · 26 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	31	26–35	7.4 µg/m³	5h	26
2026-08-07	30	21–40	7.3 µg/m³	23h	23
2026-08-06	51	23–87	13.3 µg/m³	24h	12
2026-08-05	42	31–60	10.2 µg/m³	24h	11
2026-08-04	39	23–52	9.3 µg/m³	24h	19
2026-08-03	39	23–53	9.4 µg/m³	24h	19
2026-08-02	44	29–59	10.7 µg/m³	24h	20
2026-08-01	52	37–61	13.2 µg/m³	24h	22
2026-07-31	48	33–57	11.8 µg/m³	24h	20
2026-07-30	48	39–62	11.8 µg/m³	24h	20
2026-07-29	38	28–54	9.1 µg/m³	24h	21
2026-07-28	38	29–65	9.4 µg/m³	24h	22
2026-07-27	36	29–47	8.6 µg/m³	24h	24
2026-07-26	37	27–49	8.9 µg/m³	24h	24
2026-07-25	40	31–57	9.7 µg/m³	16h	24

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