What is the air quality trend in Hiratsuka?

Over the past 8 days, Hiratsuka had an average AQI of 39 based on station measurements. The worst day was 2026-08-01 with AQI 58.

How is Hiratsuka air quality measured?

Air quality in Hiratsuka 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 Hiratsuka, Japan

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

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

Current AQI
Moderate Station

48 Hours 7 Days 14 Days 20 Days

CSV JSON

Air Quality Index Station

166h

PM2.5 Station

166h · 108 stations

Temperature GFS model

28pt

Precipitation GFS model

mm/day

Daily Summary Station

Date	AQI	Range	PM2.5 avg	PM10 avg	Hours	Stations
2026-08-08	29	25–31	6.9 µg/m³	13.0	6h	80
2026-08-07	28	20–34	6.7 µg/m³	15.7	24h	67
2026-08-06	43	30–70	10.7 µg/m³	15.9	24h	48
2026-08-05	36	26–50	8.7 µg/m³	13.0	24h	45
2026-08-04	36	30–52	8.7 µg/m³	14.9	24h	65
2026-08-03	37	26–53	8.9 µg/m³	13.2	24h	60
2026-08-02	45	30–60	11.2 µg/m³	16.8	24h	70
2026-08-01	58	52–61	15.6 µg/m³	37.2	16h	71

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