What is the air quality trend in Ogawa?

Over the past 8 days, Ogawa had an average AQI of 53 based on station measurements. The worst day was 2026-10-16 with AQI 67.

How is Ogawa air quality measured?

Air quality in Ogawa 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 Ogawa, Japan

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

Historical PM2.5 and AQI trend from monitoring stations near Ogawa, 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 · 13 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	Hours	Stations
2026-10-21	36	26–48	8.7 µg/m³	7h	14
2026-10-20	52	23–153	14.7 µg/m³	24h	11
2026-10-19	56	30–167	16.7 µg/m³	24h	11
2026-10-18	39	20–93	9.8 µg/m³	24h	12
2026-10-17	57	29–137	16.4 µg/m³	24h	11
2026-10-16	67	26–168	21.8 µg/m³	24h	9
2026-10-15	63	25–156	19.1 µg/m³	24h	10
2026-10-14	54	28–84	15.0 µg/m³	14h	10

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