Worst air pollution Kyōto, today and tomorrow
Today (10 August): Air quality in Kyōto is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 28.8/100).
Tomorrow (11 August 2026): Air quality in Kyōto is fair. All pollutants stay as today. Pollution peaks around 2:00 PM (O3: 29.9/100). 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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Kyōto's air quality benefits from the historic Kyoto Basin's partial enclosure providing characteristic tranquillity, with vehicle traffic on surrounding roads and the traditional craft, tourism, and cultural corridor contributing modest local sources. The surrounding Kitayama, Higashiyama, and Nishiyama mountain ranges create the classic basin topography, while winter temperature inversions create seasonal challenges and the traditional craft industries' wood burning and lacquer operations add historically distinctive local emissions throughout the year.
Today - 10 August | Pollution peaks at 16:00
AQI:
Fair
28.8/100
PM2.5 (fine particles):
Good
6.5/100
PM10 (coarse particles):
Good
2.6/100
NO2 (nitrogen dioxide):
Good
3.4/100
O3 (ozone):
Fair
28.8/100
SO2 (sulfur dioxide):
Good
1.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.8/100
PM1 (ultrafine particles):
Good
4.6/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 14:00
AQI:
Fair
29.9/100
PM2.5 (fine particles):
Good
6.3/100
PM10 (coarse particles):
Good
2.6/100
NO2 (nitrogen dioxide):
Good
2.7/100
O3 (ozone):
Fair
29.9/100
SO2 (sulfur dioxide):
Good
0.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.9/100
PM1 (ultrafine particles):
Good
2.7/100
Frequently Asked Questions
Is air quality bad in Kyōto right now?
On 10 August 2026, overall air quality in Kyōto is fair. AQI is the main air quality indicator at 28.8/100. Pollution peaks around 4:00 PM (O3: 28.8/100).
Will air quality be worse tomorrow in Kyōto?
On 11 August 2026, air quality conditions in Kyōto will be similar to today, with AQI forecast at fair at 29.9/100. Pollution peaks around 2:00 PM (O3: 29.9/100).
When is air pollution at its worst in Kyōto?
The biggest local contributors to pollution in Kyōto are road traffic, residential biomass burning, together with tourism-related traffic, particularly once temperature inversions set in over the valley. The surrounding valley terrain holds pollutants near the surface rather than letting them disperse. These wind events can carry dust in from the surrounding arid landscape.
Are air quality levels in Kyōto 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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