Worst air pollution Nobeoka, today and tomorrow

Today (16 July): Air quality in Nobeoka is fair. NO2 and PM1 are fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 3:00 PM (O3: 47.7/100).
Tomorrow (17 July 2026): Air quality in Nobeoka is fair. HCHO increases to fair; all other pollutants stay as today. Pollution peaks around 3:00 PM (O3: 53.2/100). 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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Nobeoka's air quality reflects the Miyazaki Prefecture Gokase River delta coastal position on the Pacific, with vehicle traffic on surrounding roads and the Asahi Kasei chemical and synthetic fibre corridor generating elevated industrial PM2.5 alongside vehicle sources. Consistent Pacific maritime breezes provide coastal ventilation, while the chemical and synthetic fibre industrial scale represents Nobeoka's most distinctive local air quality contribution and the Pacific coastal exposure generally maintains moderate readings outside direct industrial plume events throughout most of the year.

Today - 16 July | Pollution peaks at 15:00

AQI:

Medium

47.7/100

PM2.5 (fine particles):

Good

17.3/100

PM10 (coarse particles):

Good

5.2/100

NO2 (nitrogen dioxide):

Fair

24.5/100

O3 (ozone):

Medium

47.7/100

SO2 (sulfur dioxide):

Good

13.9/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

16.9/100

PM1 (ultrafine particles):

Fair

21.3/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 15:00

AQI:

Medium

53.2/100

PM2.5 (fine particles):

Good

19.8/100

PM10 (coarse particles):

Good

6.2/100

NO2 (nitrogen dioxide):

Fair

29.2/100

O3 (ozone):

Medium

53.2/100

SO2 (sulfur dioxide):

Good

9.3/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Fair

20.1/100

PM1 (ultrafine particles):

Fair

23.0/100

Frequently Asked Questions

Is air quality bad in Nobeoka right now?

On 16 July 2026, overall air quality in Nobeoka is fair. NO2 is the main pollutant at 24.5/100. Pollution peaks around 3:00 PM (O3: 47.7/100).

Will air quality be worse tomorrow in Nobeoka?

On 17 July 2026, air quality conditions in Nobeoka will be similar to today, with NO2 forecast at fair at 29.2/100. Pollution peaks around 3:00 PM (O3: 53.2/100).

When is air pollution at its worst in Nobeoka?

Air quality in Nobeoka tends to be worse when road traffic along with heavy industry such as steel, cement, or petrochemical processing build up and dry, windy weather picks up. Strong seasonal winds can lift dust from the surrounding dry terrain and push particulate levels sharply higher. Maritime airflow normally ventilates the area well, though calmer spells let levels rise.

Are air quality levels in Nobeoka 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