Worst air pollution Takamatsu, today and tomorrow

Today (10 August): Air quality in Takamatsu is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 PM (O3: 34.4/100).
Tomorrow (11 August 2026): Air quality in Takamatsu is fair. All pollutants stay as today. Pollution peaks around 12:00 PM (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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Takamatsu's air quality benefits from its exceptional Seto Inland Sea coastal position in Kagawa Prefecture, with consistent Seto Inland Sea maritime breezes providing reliable ventilation. Vehicle traffic on surrounding roads and the services, food processing, and tourism corridor contribute local sources, while the outstanding Seto Inland Sea coastal exposure and the Shikoku Mountains rising inland create topographic variation and Takamatsu generally maintains good to moderate conditions for a major Japanese Seto Inland Sea coastal city throughout most of the year.

Today - 10 August | Pollution peaks at 15:00

AQI:

Fair

34.4/100

PM2.5 (fine particles):

Good

6.9/100

PM10 (coarse particles):

Good

2.7/100

NO2 (nitrogen dioxide):

Good

13.1/100

O3 (ozone):

Fair

34.4/100

SO2 (sulfur dioxide):

Good

3.5/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

8.3/100

PM1 (ultrafine particles):

Good

5.2/100

Levels show the poorest local air quality during the day

Tomorrow - 11 August | Pollution peaks at 12:00

AQI:

Fair

38.9/100

PM2.5 (fine particles):

Good

7.9/100

PM10 (coarse particles):

Good

3.1/100

NO2 (nitrogen dioxide):

Good

11.8/100

O3 (ozone):

Fair

38.9/100

SO2 (sulfur dioxide):

Good

2.8/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

7.0/100

PM1 (ultrafine particles):

Good

5.7/100

Frequently Asked Questions

Is air quality bad in Takamatsu right now?

On 10 August 2026, overall air quality in Takamatsu is fair. AQI is the main air quality indicator at 34.4/100. Pollution peaks around 3:00 PM (O3: 34.4/100).

Will air quality be worse tomorrow in Takamatsu?

On 11 August 2026, air quality conditions in Takamatsu will be similar to today, with AQI forecast at fair at 38.9/100. Pollution peaks around 12:00 PM (O3: 38.9/100).

When is air pollution at its worst in Takamatsu?

Pollution in Takamatsu typically rises when traffic emissions, manufacturing and food processing, and seasonal tourism traffic combine, especially once onshore breezes fall calm. Onshore breezes usually help clear the air, but pollution can build up when winds are light. This natural ventilation is one reason coastal areas often see better readings than inland cities.

Are air quality levels in Takamatsu 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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