Worst air pollution Izuo, today and tomorrow

Today (10 August): Air quality in Izuo is poor. AQI and O3 are poor; NO2 and SO2 are fair; PM2.5, PM10, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 61.7/100).
Tomorrow (11 August 2026): Air quality in Izuo is fair. AQI improves to medium; O3 decreases to medium; SO2 decreases to good; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 45.9/100). 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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Izuo in Osaka reflects the Osaka metropolitan area's Nishiyodogawa district position adjacent to the historically industrialised Yodogawa River estuary, with vehicle traffic on surrounding roads and the manufacturing and residential character contributing local sources. Osaka Bay breezes provide limited maritime ventilation, while the broader Kinki metropolitan regional background and summer photochemical ozone from the vast metropolitan corridor maintain moderate to elevated Osaka western industrial corridor readings throughout most of the year.

Today - 10 August | Pollution peaks at 13:00

AQI:

Poor

61.7/100

PM2.5 (fine particles):

Good

14.4/100

PM10 (coarse particles):

Good

4.1/100

NO2 (nitrogen dioxide):

Fair

20.9/100

O3 (ozone):

Poor

61.7/100

SO2 (sulfur dioxide):

Fair

20.5/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

12.6/100

PM1 (ultrafine particles):

Good

19.0/100

Levels show the poorest local air quality during the day

Tomorrow - 11 August | Pollution peaks at 13:00

AQI:

Medium

45.9/100

PM2.5 (fine particles):

Good

11.1/100

PM10 (coarse particles):

Good

3.6/100

NO2 (nitrogen dioxide):

Fair

20.0/100

O3 (ozone):

Medium

45.9/100

SO2 (sulfur dioxide):

Good

14.1/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

6.9/100

PM1 (ultrafine particles):

Good

12.4/100

Frequently Asked Questions

Is air quality bad in Izuo right now?

On 10 August 2026, overall air quality in Izuo is poor. AQI is the main air quality indicator at 61.7/100. Pollution peaks around 1:00 PM (O3: 61.7/100).

Will air quality be worse tomorrow in Izuo?

On 11 August 2026, air quality conditions in Izuo will be better than today, with NO2 forecast at fair at 20.0/100. Pollution peaks around 1:00 PM (O3: 45.9/100).

When is air pollution at its worst in Izuo?

The biggest local contributors to pollution in Izuo are traffic emissions, heavy industry such as steel, cement, or petrochemical processing, together with light manufacturing, particularly once dry, windy weather picks up. Dust carried on these winds adds substantially to particulate levels. Heat and sunlight combine with emissions to form ozone at ground level.

Are air quality levels in Izuo 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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