Worst air pollution Miyazaki, today and tomorrow
Today (10 August): Air quality in Miyazaki is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 13.8/100).
Tomorrow (11 August 2026): Air quality in Miyazaki is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 7:00 PM (O3: 24.5/100). Airmine updates local air quality forecasts four times daily.
Get the full experience in the Airmine app.
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.
Miyazaki's air quality benefits from its exceptional Pacific Ocean and Hyuga Sea coastal position in Kyushu, with consistent Pacific and Hyuga maritime breezes providing reliable ventilation. Vehicle traffic on surrounding roads and the tourism, food processing, and sports corridor contribute modest local sources, while the outstanding Pacific coastal exposure and the Kirishima Mountains rising inland create topographic variation and Miyazaki generally maintains good to moderate conditions for a major Japanese Pacific coastal city throughout most of the year.
Today - 10 August | Pollution peaks at 16:00
AQI:
Good
13.8/100
PM2.5 (fine particles):
Good
4.8/100
PM10 (coarse particles):
Good
2.2/100
NO2 (nitrogen dioxide):
Good
3.3/100
O3 (ozone):
Good
13.8/100
SO2 (sulfur dioxide):
Good
1.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.1/100
PM1 (ultrafine particles):
Good
1.9/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 19:00
AQI:
Fair
24.5/100
PM2.5 (fine particles):
Good
7.1/100
PM10 (coarse particles):
Good
2.7/100
NO2 (nitrogen dioxide):
Good
8.5/100
O3 (ozone):
Fair
24.5/100
SO2 (sulfur dioxide):
Good
3.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.3/100
PM1 (ultrafine particles):
Good
5.5/100
Frequently Asked Questions
Is air quality bad in Miyazaki right now?
On 10 August 2026, overall air quality in Miyazaki is good. AQI is the main air quality indicator at 13.8/100. Pollution peaks around 4:00 PM (O3: 13.8/100).
Will air quality be worse tomorrow in Miyazaki?
On 11 August 2026, air quality conditions in Miyazaki will be worse than today, with AQI forecast at fair at 24.5/100. Pollution peaks around 7:00 PM (O3: 24.5/100).
When is air pollution at its worst in Miyazaki?
In Miyazaki, vehicle traffic, manufacturing and food processing, as well as seasonal tourism traffic are the main local sources, with conditions worsening when the sea breeze weakens. Sea breezes typically keep conditions in check, except during still weather. This natural ventilation is one reason coastal areas often see better readings than inland cities.
Are air quality levels in Miyazaki 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.
Check air quality in other popular cities:
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.
Get the full experience in the Airmine app.