What is the air quality trend in Yanagawa?

Over the past 21 days, Yanagawa had an average AQI of 43 based on station measurements. The worst day was 2026-07-21 with AQI 56.

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 CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

475h

PM2.5 Station

475h · 30 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	30	28–33	7.3 µg/m³	4h	28
2026-08-07	32	22–50	7.6 µg/m³	22h	25
2026-08-06	51	30–75	13.1 µg/m³	24h	14
2026-08-05	43	28–58	10.6 µg/m³	24h	12
2026-08-04	41	20–71	10.1 µg/m³	24h	21
2026-08-03	40	26–55	9.6 µg/m³	24h	22
2026-08-02	44	26–54	10.7 µg/m³	24h	22
2026-08-01	52	42–61	12.9 µg/m³	24h	25
2026-07-31	47	29–59	11.6 µg/m³	24h	23
2026-07-30	46	38–57	11.2 µg/m³	24h	23
2026-07-29	38	25–52	9.2 µg/m³	24h	22
2026-07-28	38	24–60	9.1 µg/m³	24h	22
2026-07-27	33	25–43	8.0 µg/m³	24h	27
2026-07-26	35	27–43	8.3 µg/m³	24h	25
2026-07-25	39	27–60	9.5 µg/m³	24h	25
2026-07-24	46	32–58	11.2 µg/m³	24h	25
2026-07-23	49	35–62	12.0 µg/m³	24h	26
2026-07-22	55	36–71	14.5 µg/m³	24h	26
2026-07-21	56	30–69	15.2 µg/m³	24h	15
2026-07-20	54	42–62	13.6 µg/m³	24h	21
2026-07-19	40	28–51	9.6 µg/m³	17h	22

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