What is the air quality trend in Narita?

Over the past 8 days, Narita had an average AQI of 61 based on station measurements. The worst day was 2026-10-14 with AQI 82.

How is Narita air quality measured?

Air quality in Narita 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 Narita, Japan

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

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

Current AQI
Good Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

165h

PM2.5 Station

165h · 32 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-10-21	52	36–83	14.3 µg/m³	10.0	4h	37
2026-10-20	55	31–114	15.2 µg/m³	14.1	24h	32
2026-10-19	60	33–107	16.9 µg/m³	9.9	24h	34
2026-10-18	41	27–68	10.2 µg/m³	8.3	24h	33
2026-10-17	56	34–86	15.3 µg/m³	9.7	24h	33
2026-10-16	75	45–122	23.6 µg/m³	16.3	24h	27
2026-10-15	74	42–128	22.8 µg/m³	8.6	24h	30
2026-10-14	82	35–160	27.6 µg/m³	11.6	17h	27

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