What is the air quality trend in Yamaga?

Over the past 15 days, Yamaga had an average AQI of 37 based on station measurements. The worst day was 2026-05-16 with AQI 53.

How is Yamaga air quality measured?

Air quality in Yamaga 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 Yamaga, Japan

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

331h

PM2.5 Station

331h · 25 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-05-29	38	33–47	9.2 µg/m³	15h	23
2026-05-28	31	19–39	7.5 µg/m³	24h	24
2026-05-27	30	20–48	7.3 µg/m³	24h	24
2026-05-26	31	23–40	7.5 µg/m³	24h	24
2026-05-25	34	23–46	8.2 µg/m³	24h	24
2026-05-24	33	21–41	8.0 µg/m³	24h	25
2026-05-23	33	27–44	7.9 µg/m³	24h	25
2026-05-22	28	20–39	6.7 µg/m³	24h	23
2026-05-21	30	19–45	7.2 µg/m³	24h	21
2026-05-20	34	21–44	8.2 µg/m³	24h	25
2026-05-19	38	26–56	9.1 µg/m³	24h	24
2026-05-18	51	42–58	12.5 µg/m³	24h	24
2026-05-17	45	36–55	10.9 µg/m³	23h	22
2026-05-16	53	30–58	13.6 µg/m³	21h	24
2026-05-15	50	41–55	12.2 µg/m³	8h	21

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