Worst air pollution Kagoshima, today and tomorrow

Today (10 August): Air quality in Kagoshima is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 PM (SO2: 16.0/100).
Tomorrow (11 August 2026): Air quality in Kagoshima is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 25.4/100). 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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Kagoshima's air quality reflects Kyushu's southern Kagoshima Bay coastal position adjacent to the extraordinarily active Sakurajima volcano, with the volcano's persistent ash fall and SO₂ emissions representing one of Japan's most distinctive and unavoidable local air quality sources. Vehicle traffic on surrounding roads and the tourism and services corridor contribute modest secondary sources, while the volcanic activity's extraordinary frequency makes Kagoshima Japan's most distinctively volcanically-influenced major urban environment throughout the year.

Today - 10 August | Pollution peaks at 17:00

AQI:

Good

16.0/100

PM2.5 (fine particles):

Good

3.9/100

PM10 (coarse particles):

Good

1.3/100

NO2 (nitrogen dioxide):

Good

11.1/100

O3 (ozone):

Good

13.6/100

SO2 (sulfur dioxide):

Good

16.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

6.2/100

PM1 (ultrafine particles):

Good

3.6/100

Levels show the poorest local air quality during the day

Tomorrow - 11 August | Pollution peaks at 13:00

AQI:

Fair

25.4/100

PM2.5 (fine particles):

Good

6.9/100

PM10 (coarse particles):

Good

2.3/100

NO2 (nitrogen dioxide):

Good

12.3/100

O3 (ozone):

Fair

25.4/100

SO2 (sulfur dioxide):

Good

7.6/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

11.2/100

PM1 (ultrafine particles):

Good

6.4/100

Frequently Asked Questions

Is air quality bad in Kagoshima right now?

On 10 August 2026, overall air quality in Kagoshima is good. AQI is the main air quality indicator at 16.0/100. Pollution peaks around 5:00 PM (SO2: 16.0/100).

Will air quality be worse tomorrow in Kagoshima?

On 11 August 2026, air quality conditions in Kagoshima will be worse than today, with AQI forecast at fair at 25.4/100. Pollution peaks around 1:00 PM (O3: 25.4/100).

When is air pollution at its worst in Kagoshima?

In Kagoshima, traffic emissions along with tourism-related traffic are the main local sources, with conditions worsening when the sea breeze weakens. 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 Kagoshima 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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