Worst air pollution Ōnojō, today and tomorrow

Today (16 July): Air quality in Ōnojō is poor. AQI and O3 are poor; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 60.2/100).
Tomorrow (17 July 2026): Air quality in Ōnojō is poor. NO2 increases to fair; all other pollutants stay as today. Pollution peaks around 12:00 PM (O3: 68.2/100). 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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Ōnojō's air quality reflects the Fukuoka Prefecture suburban southern corridor adjacent to Fukuoka city, with vehicle traffic on surrounding roads and the residential and commercial character contributing local sources. Consistent Hakata Bay maritime breezes provide background ventilation, while the broader Fukuoka metropolitan regional background maintains moderate Fukuoka metropolitan southern suburban readings throughout most of the year.

Today - 16 July | Pollution peaks at 13:00

AQI:

Poor

60.2/100

PM2.5 (fine particles):

Good

15.4/100

PM10 (coarse particles):

Good

6.0/100

NO2 (nitrogen dioxide):

Good

18.8/100

O3 (ozone):

Poor

60.2/100

SO2 (sulfur dioxide):

Good

9.9/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

6.6/100

PM1 (ultrafine particles):

Good

15.6/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 12:00

AQI:

Poor

68.2/100

PM2.5 (fine particles):

Good

13.7/100

PM10 (coarse particles):

Good

3.8/100

NO2 (nitrogen dioxide):

Fair

30.8/100

O3 (ozone):

Poor

68.2/100

SO2 (sulfur dioxide):

Good

11.9/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

9.0/100

PM1 (ultrafine particles):

Good

18.6/100

Frequently Asked Questions

Is air quality bad in Ōnojō right now?

On 16 July 2026, overall air quality in Ōnojō is poor. AQI is the main air quality indicator at 60.2/100. Pollution peaks around 1:00 PM (O3: 60.2/100).

Will air quality be worse tomorrow in Ōnojō?

On 17 July 2026, air quality conditions in Ōnojō will be similar to today, with AQI forecast at poor at 68.2/100. Pollution peaks around 12:00 PM (O3: 68.2/100).

When is air pollution at its worst in Ōnojō?

In Ōnojō, road traffic is the main local source, with conditions worsening when onshore breezes fall calm. 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 Ōnojō 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.

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Data provided by Airmine — Last update: 16 July 2026 at 10:33 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.

For long term forecasts and maps, see the Airmine app