What is the air quality trend in Yanagawa?

Over the past 15 days, Yanagawa had an average AQI of 32 based on station measurements. The worst day was 2026-05-31 with AQI 54.

How is Yanagawa air quality measured?

Air quality in Yanagawa 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 Yanagawa, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

333h

PM2.5 Station

333h · 42 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-06-09	31	19–51	7.4 µg/m³	17h	23
2026-06-08	26	20–42	6.1 µg/m³	24h	30
2026-06-07	24	17–35	5.9 µg/m³	24h	30
2026-06-06	36	24–54	8.6 µg/m³	24h	34
2026-06-05	31	24–39	7.5 µg/m³	24h	35
2026-06-04	28	23–40	6.8 µg/m³	24h	29
2026-06-03	25	18–32	6.0 µg/m³	24h	29
2026-06-02	21	15–38	5.0 µg/m³	24h	28
2026-06-01	47	23–74	12.2 µg/m³	23h	23
2026-05-31	54	41–63	13.7 µg/m³	24h	20
2026-05-30	44	35–53	10.5 µg/m³	24h	25
2026-05-29	37	28–56	8.9 µg/m³	24h	22
2026-05-28	31	17–52	7.4 µg/m³	24h	21
2026-05-27	27	19–51	6.5 µg/m³	24h	27
2026-05-26	23	18–26	5.4 µg/m³	5h	29

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