What is the air quality trend in Tagawa?

Over the past 15 days, Tagawa had an average AQI of 45 based on station measurements. The worst day was 2026-07-21 with AQI 61.

How is Tagawa air quality measured?

Air quality in Tagawa 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 Tagawa, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

334h

PM2.5 Station

334h · 26 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	52	52–52	12.5 µg/m³	1h	26
2026-07-21	61	53–78	16.6 µg/m³	24h	12
2026-07-20	53	34–60	13.4 µg/m³	24h	18
2026-07-19	46	34–66	11.3 µg/m³	24h	22
2026-07-18	47	32–64	11.6 µg/m³	24h	24
2026-07-17	55	41–62	14.3 µg/m³	24h	23
2026-07-16	57	50–65	14.9 µg/m³	24h	22
2026-07-15	55	44–67	14.3 µg/m³	24h	23
2026-07-14	47	38–54	11.4 µg/m³	24h	24
2026-07-13	49	36–60	12.0 µg/m³	24h	21
2026-07-12	47	33–117	11.9 µg/m³	24h	22
2026-07-11	27	17–36	6.5 µg/m³	24h	21
2026-07-10	27	18–45	6.6 µg/m³	24h	25
2026-07-09	32	23–50	7.7 µg/m³	24h	21
2026-07-08	32	23–42	7.6 µg/m³	21h	25

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