What is the air quality trend in Ibara?

Over the past 8 days, Ibara had an average AQI of 28 based on station measurements. The worst day was 2026-06-05 with AQI 31.

How is Ibara air quality measured?

Air quality in Ibara 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 Ibara, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

167h

PM2.5 Station

167h · 24 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-06-09	31	22–40	7.4 µg/m³	9.8	11h	27
2026-06-08	28	24–35	6.7 µg/m³	8.2	24h	28
2026-06-07	27	18–34	6.5 µg/m³	8.4	24h	28
2026-06-06	31	24–44	7.4 µg/m³	15.8	24h	29
2026-06-05	31	23–40	7.3 µg/m³	19.2	24h	28
2026-06-04	29	22–35	7.0 µg/m³	15.1	24h	26
2026-06-03	27	21–33	6.4 µg/m³	9.6	24h	28
2026-06-02	22	18–28	5.3 µg/m³	3.1	12h	26

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