Worst air pollution Hachinohe, today and tomorrow
Today (16 July): Air quality in Hachinohe is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 39.1/100).
Tomorrow (17 July 2026): Air quality in Hachinohe is fair. All pollutants stay as today. Pollution peaks around 8:00 AM (O3: 27.6/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Hachinohe's air quality benefits from its exceptional Pacific Ocean and Hachinohe Port coastal position in Aomori Prefecture, with consistent Pacific maritime breezes providing reliable ventilation. Vehicle traffic on surrounding roads and the fishing, steel, and manufacturing corridor contribute local sources, while the outstanding Pacific coastal exposure and the Kitakami Mountains rising inland create topographic variation and Hachinohe generally maintains moderate to good conditions for a major Japanese northern Pacific coastal city throughout most of the year.
Today - 16 July | Pollution peaks at 12:00
AQI:
Fair
39.1/100
PM2.5 (fine particles):
Good
7.0/100
PM10 (coarse particles):
Good
2.4/100
NO2 (nitrogen dioxide):
Good
6.9/100
O3 (ozone):
Fair
39.1/100
SO2 (sulfur dioxide):
Good
3.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
15.5/100
PM1 (ultrafine particles):
Good
7.9/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 08:00
AQI:
Fair
27.6/100
PM2.5 (fine particles):
Good
7.1/100
PM10 (coarse particles):
Good
2.1/100
NO2 (nitrogen dioxide):
Good
6.9/100
O3 (ozone):
Fair
27.6/100
SO2 (sulfur dioxide):
Good
1.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
16.2/100
PM1 (ultrafine particles):
Good
8.7/100
Frequently Asked Questions
Is air quality bad in Hachinohe right now?
On 16 July 2026, overall air quality in Hachinohe is fair. AQI is the main air quality indicator at 39.1/100. Pollution peaks around 12:00 PM (O3: 39.1/100).
Will air quality be worse tomorrow in Hachinohe?
On 17 July 2026, air quality conditions in Hachinohe will be similar to today, with AQI forecast at fair at 27.6/100. Pollution peaks around 8:00 AM (O3: 27.6/100).
When is air pollution at its worst in Hachinohe?
Air quality in Hachinohe tends to be worse when vehicle traffic, heavy industry such as steel, cement, or petrochemical processing, together with light manufacturing build up and onshore breezes fall calm. Maritime airflow normally ventilates the area well, though calmer spells let levels rise. This coastal advantage is less pronounced during still, high-pressure weather.
Are air quality levels in Hachinohe based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app