Worst air pollution Iwata, today and tomorrow
Today (10 August): Air quality in Iwata is poor. AQI and O3 are poor; PM1 is fair; PM2.5, PM10, NO2, SO2, CO, and HCHO are good. Pollution peaks around 4:00 PM (O3: 63.4/100).
Tomorrow (11 August 2026): Air quality in Iwata is fair. AQI improves to fair; O3 decreases to fair; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 12:00 AM (O3: 38.9/100). 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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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 - 10 August | Pollution peaks at 16:00
AQI:
Poor
63.4/100
PM2.5 (fine particles):
Good
18.3/100
PM10 (coarse particles):
Good
5.4/100
NO2 (nitrogen dioxide):
Good
13.1/100
O3 (ozone):
Poor
63.4/100
SO2 (sulfur dioxide):
Good
8.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
13.0/100
PM1 (ultrafine particles):
Fair
21.8/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 00:00
AQI:
Fair
38.9/100
PM2.5 (fine particles):
Good
6.9/100
PM10 (coarse particles):
Good
1.9/100
NO2 (nitrogen dioxide):
Good
11.3/100
O3 (ozone):
Fair
38.9/100
SO2 (sulfur dioxide):
Good
6.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.6/100
PM1 (ultrafine particles):
Good
9.2/100
Frequently Asked Questions
Is air quality bad in Iwata right now?
On 10 August 2026, overall air quality in Iwata is poor. AQI is the main air quality indicator at 63.4/100. Pollution peaks around 4:00 PM (O3: 63.4/100).
Will air quality be worse tomorrow in Iwata?
On 11 August 2026, air quality conditions in Iwata will be better than today, with AQI forecast at fair at 38.9/100. Pollution peaks around 12:00 AM (O3: 38.9/100).
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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 9 August 2026 at 20:27 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
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