Worst air pollution Ōmuta, today and tomorrow
Today (16 July): Air quality in Ōmuta is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 2:00 PM (O3: 55.8/100).
Tomorrow (17 July 2026): Air quality in Ōmuta is fair. NO2 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 52.1/100). 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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Ōmuta's air quality reflects the Fukuoka Prefecture Ariake Sea coastal position at the historic Miike coalfield, with vehicle traffic on surrounding roads and the Mitsui Chemicals complex and the coal mining legacy corridor generating elevated industrial PM2.5 alongside vehicle sources. Consistent Ariake Sea maritime breezes provide coastal ventilation, while the chemical complex's industrial scale represents Omuta's most distinctive current industrial air quality contribution and the coal mining legacy adds historical environmental context throughout most of the year.
Today - 16 July | Pollution peaks at 14:00
AQI:
Medium
55.8/100
PM2.5 (fine particles):
Good
9.6/100
PM10 (coarse particles):
Good
3.4/100
NO2 (nitrogen dioxide):
Good
8.5/100
O3 (ozone):
Medium
55.8/100
SO2 (sulfur dioxide):
Good
3.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.7/100
PM1 (ultrafine particles):
Good
10.9/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 13:00
AQI:
Medium
52.1/100
PM2.5 (fine particles):
Good
11.2/100
PM10 (coarse particles):
Good
3.5/100
NO2 (nitrogen dioxide):
Fair
20.8/100
O3 (ozone):
Medium
52.1/100
SO2 (sulfur dioxide):
Good
3.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.1/100
PM1 (ultrafine particles):
Good
12.7/100
Frequently Asked Questions
Is air quality bad in Ōmuta right now?
On 16 July 2026, overall air quality in Ōmuta is medium. AQI is the main air quality indicator at 55.8/100. Pollution peaks around 2:00 PM (O3: 55.8/100).
Will air quality be worse tomorrow in Ōmuta?
On 17 July 2026, air quality conditions in Ōmuta will be worse than today, with NO2 forecast at fair at 20.8/100. Pollution peaks around 1:00 PM (O3: 52.1/100).
When is air pollution at its worst in Ōmuta?
In Ōmuta, vehicle traffic, steel, cement, and chemical production, along with mining and quarrying operations are the main local sources, with conditions worsening when dry, windy weather picks up. These wind events can carry dust in from the surrounding arid landscape. Sea breezes typically keep conditions in check, except during still weather.
Are air quality levels in Ōmuta 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