Worst air pollution Iwata, today and tomorrow
Today (16 July): Air quality in Iwata is very poor. AQI and O3 are very poor; PM1 is fair; PM2.5, PM10, NO2, SO2, CO, and HCHO are good. Pollution peaks around 4:00 PM (O3: 84.1/100).
Tomorrow (17 July 2026): Air quality in Iwata is fair. AQI improves to medium; PM2.5 increases to fair; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 8:00 AM (O3: 48.6/100). 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.
Iwata's air quality reflects the Shizuoka Prefecture Tenryu River delta coastal position on the Pacific, with vehicle traffic on surrounding roads and the motorcycle manufacturing — Iwata being Yamaha Motor's global headquarters — and manufacturing corridor contributing elevated vehicle testing and industrial emissions. Consistent Pacific maritime breezes provide coastal ventilation, while the Yamaha motorcycle manufacturing's distinctive character represents the most locally unique industrial emission source throughout most of the year.
Today - 16 July | Pollution peaks at 16:00
AQI:
Very poor
84.1/100
PM2.5 (fine particles):
Good
20.0/100
PM10 (coarse particles):
Good
6.2/100
NO2 (nitrogen dioxide):
Good
19.1/100
O3 (ozone):
Very poor
84.1/100
SO2 (sulfur dioxide):
Good
8.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
10.4/100
PM1 (ultrafine particles):
Fair
22.4/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 08:00
AQI:
Medium
48.6/100
PM2.5 (fine particles):
Fair
22.8/100
PM10 (coarse particles):
Good
7.0/100
NO2 (nitrogen dioxide):
Good
19.3/100
O3 (ozone):
Medium
48.6/100
SO2 (sulfur dioxide):
Good
6.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.6/100
PM1 (ultrafine particles):
Fair
25.6/100
Frequently Asked Questions
Is air quality bad in Iwata right now?
On 16 July 2026, overall air quality in Iwata is very poor. AQI is the main air quality indicator at 84.1/100. Pollution peaks around 4:00 PM (O3: 84.1/100).
Will air quality be worse tomorrow in Iwata?
On 17 July 2026, air quality conditions in Iwata will be better than today, with PM1 forecast at fair at 25.6/100. Pollution peaks around 8:00 AM (O3: 48.6/100).
When is air pollution at its worst in Iwata?
The biggest local contributors to pollution in Iwata are traffic on the surrounding roads and light manufacturing, particularly once dry spells bring strong winds. These wind events can carry dust in from the surrounding arid landscape. Maritime airflow normally ventilates the area well, though calmer spells let levels rise.
Are air quality levels in Iwata 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