Worst air pollution Hamamatsu, today and tomorrow
Today (16 July): Air quality in Hamamatsu is very poor. AQI and O3 are very poor; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 PM (O3: 82.8/100).
Tomorrow (17 July 2026): Air quality in Hamamatsu is fair. AQI improves to medium; O3 decreases to medium; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 10:00 AM (O3: 48.0/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Use our Strava plugin to check your own exposure.
Hamamatsu's air quality benefits from its Enshunada Bay and Pacific Ocean coastal position in Shizuoka Prefecture, with consistent Pacific and Enshunada sea breezes providing reliable maritime ventilation. Vehicle traffic on surrounding expressways and the motorcycle, musical instrument, and manufacturing corridor — Hamamatsu being home to Yamaha and Honda foundational operations — contribute local sources, while the Pacific coastal exposure generally maintains Hamamatsu among Japan's more moderately ventilated coastal industrial cities throughout most of the year.
Today - 16 July | Pollution peaks at 15:00
AQI:
Very poor
82.8/100
PM2.5 (fine particles):
Good
15.3/100
PM10 (coarse particles):
Good
4.6/100
NO2 (nitrogen dioxide):
Good
13.6/100
O3 (ozone):
Very poor
82.8/100
SO2 (sulfur dioxide):
Good
6.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.3/100
PM1 (ultrafine particles):
Good
18.4/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 10:00
AQI:
Medium
48.0/100
PM2.5 (fine particles):
Good
16.8/100
PM10 (coarse particles):
Good
4.8/100
NO2 (nitrogen dioxide):
Good
14.7/100
O3 (ozone):
Medium
48.0/100
SO2 (sulfur dioxide):
Good
3.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
12.6/100
PM1 (ultrafine particles):
Fair
21.6/100
Frequently Asked Questions
Is air quality bad in Hamamatsu right now?
On 16 July 2026, overall air quality in Hamamatsu is very poor. AQI is the main air quality indicator at 82.8/100. Pollution peaks around 3:00 PM (O3: 82.8/100).
Will air quality be worse tomorrow in Hamamatsu?
On 17 July 2026, air quality conditions in Hamamatsu will be better than today, with PM1 forecast at fair at 21.6/100. Pollution peaks around 10:00 AM (O3: 48.0/100).
When is air pollution at its worst in Hamamatsu?
Air quality in Hamamatsu tends to be worse when traffic on the surrounding roads along with manufacturing and food processing build up and dry, windy weather picks up. Strong seasonal winds can lift dust from the surrounding dry terrain and push particulate levels sharply higher. Maritime airflow normally ventilates the area well, though calmer spells let levels rise.
Are air quality levels in Hamamatsu 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.
Check air quality in other popular cities:
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