What is the air quality trend in Haibara-akanedai?

Over the past 8 days, Haibara-akanedai had an average AQI of 47 based on station measurements. The worst day was 2026-08-01 with AQI 57.

How is Haibara-akanedai air quality measured?

Air quality in Haibara-akanedai 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 Haibara-akanedai, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Haibara-akanedai, Japan.

Current AQI
Good CAMS model

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 54 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-08-08	37	30–54	8.9 µg/m³	6h	55
2026-08-07	37	12–61	9.1 µg/m³	24h	50
2026-08-06	55	43–67	14.1 µg/m³	24h	49
2026-08-05	51	30–103	13.3 µg/m³	24h	35
2026-08-04	46	33–65	11.4 µg/m³	24h	40
2026-08-03	48	31–71	12.0 µg/m³	24h	41
2026-08-02	51	33–66	12.9 µg/m³	24h	51
2026-08-01	57	51–78	15.0 µg/m³	15h	53

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