What is the air quality trend in Setakamachi-takayanagi?

Over the past 15 days, Setakamachi-takayanagi had an average AQI of 45 based on station measurements. The worst day was 2026-07-20 with AQI 58.

How is Setakamachi-takayanagi air quality measured?

Air quality in Setakamachi-takayanagi 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 Setakamachi-takayanagi, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Setakamachi-takayanagi, Japan.

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

334h

PM2.5 Station

334h · 36 stations

Temperature GFS model

56pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-07-22	58	53–63	15.5 µg/m³	8h	32
2026-07-21	57	26–71	15.2 µg/m³	24h	16
2026-07-20	58	46–112	15.3 µg/m³	24h	24
2026-07-19	41	32–54	9.8 µg/m³	24h	28
2026-07-18	44	30–56	10.5 µg/m³	24h	28
2026-07-17	54	40–60	13.6 µg/m³	24h	30
2026-07-16	55	45–63	14.2 µg/m³	24h	28
2026-07-15	51	36–62	12.8 µg/m³	24h	29
2026-07-14	49	41–54	11.8 µg/m³	24h	30
2026-07-13	49	37–63	12.0 µg/m³	24h	28
2026-07-12	42	27–64	10.3 µg/m³	24h	29
2026-07-11	29	20–38	7.0 µg/m³	24h	28
2026-07-10	28	20–37	6.8 µg/m³	24h	30
2026-07-09	32	21–43	7.6 µg/m³	24h	30
2026-07-08	29	24–37	7.1 µg/m³	14h	31

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