Worst air pollution Ogōshi, today and tomorrow
Today (10 August): Air quality in Ogōshi is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (NO2: 17.3/100).
Tomorrow (11 August 2026): Air quality in Ogōshi is poor. AQI worsens to poor; O3 increases to poor; HCHO increases to fair; all other pollutants stay as today. Pollution peaks around 4:00 PM (O3: 65.0/100). 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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Ogōshi in Kumamoto reflects the Kumamoto Prefecture suburban corridor position, with vehicle traffic on surrounding roads and the residential and light manufacturing character contributing local sources. Consistent Ariake Sea maritime breezes provide background ventilation, while the broader Kumamoto metropolitan regional background maintains moderate Kumamoto metropolitan suburban readings throughout most of the year.
Today - 10 August | Pollution peaks at 23:00
AQI:
Good
17.3/100
PM2.5 (fine particles):
Good
7.7/100
PM10 (coarse particles):
Good
2.2/100
NO2 (nitrogen dioxide):
Good
17.3/100
O3 (ozone):
Good
17.2/100
SO2 (sulfur dioxide):
Good
9.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
16.1/100
PM1 (ultrafine particles):
Good
10.0/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 16:00
AQI:
Poor
65.0/100
PM2.5 (fine particles):
Good
9.2/100
PM10 (coarse particles):
Good
3.1/100
NO2 (nitrogen dioxide):
Good
17.7/100
O3 (ozone):
Poor
65.0/100
SO2 (sulfur dioxide):
Good
6.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
23.0/100
PM1 (ultrafine particles):
Good
11.7/100
Frequently Asked Questions
Is air quality bad in Ogōshi right now?
On 10 August 2026, overall air quality in Ogōshi is good. AQI is the main air quality indicator at 17.3/100. Pollution peaks around 11:00 PM (NO2: 17.3/100).
Will air quality be worse tomorrow in Ogōshi?
On 11 August 2026, air quality conditions in Ogōshi will be worse than today, with AQI forecast at poor at 65.0/100. Pollution peaks around 4:00 PM (O3: 65.0/100).
When is air pollution at its worst in Ogōshi?
Ogōshi usually sees its poorest air quality when road traffic and manufacturing and food processing coincide with periods when the sea breeze weakens. Maritime airflow normally ventilates the area well, though calmer spells let levels rise. Areas further inland without this ventilation tend to fare worse.
Are air quality levels in Ogōshi 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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