Worst air pollution Kitakyūshū, today and tomorrow
Today (16 July): Air quality in Kitakyūshū is poor. AQI and O3 are poor; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (O3: 63.0/100).
Tomorrow (17 July 2026): Air quality in Kitakyūshū is poor. NO2 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 69.3/100). 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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Kitakyūshū's air quality reflects the Kanmon Strait's coastal industrial position connecting Kyushu and Honshu, with vehicle traffic on surrounding expressways and the Nippon Steel, Yaskawa Electric, and manufacturing corridor generating elevated industrial PM2.5. The Kanmon Strait maritime breezes provide coastal ventilation, while Kitakyushu's remarkable industrial cleanup since the 1960s has substantially improved conditions and the city generally maintains moderate to good conditions for a major Japanese industrial coastal city throughout most of the year.
Today - 16 July | Pollution peaks at 16:00
AQI:
Poor
63.0/100
PM2.5 (fine particles):
Good
14.7/100
PM10 (coarse particles):
Good
7.2/100
NO2 (nitrogen dioxide):
Good
11.5/100
O3 (ozone):
Poor
63.0/100
SO2 (sulfur dioxide):
Good
5.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.0/100
PM1 (ultrafine particles):
Good
12.6/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 13:00
AQI:
Poor
69.3/100
PM2.5 (fine particles):
Good
10.5/100
PM10 (coarse particles):
Good
3.5/100
NO2 (nitrogen dioxide):
Fair
20.1/100
O3 (ozone):
Poor
69.3/100
SO2 (sulfur dioxide):
Good
7.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.1/100
PM1 (ultrafine particles):
Good
12.8/100
Frequently Asked Questions
Is air quality bad in Kitakyūshū right now?
On 16 July 2026, overall air quality in Kitakyūshū is poor. AQI is the main air quality indicator at 63.0/100. Pollution peaks around 4:00 PM (O3: 63.0/100).
Will air quality be worse tomorrow in Kitakyūshū?
On 17 July 2026, air quality conditions in Kitakyūshū will be similar to today, with AQI forecast at poor at 69.3/100. Pollution peaks around 1:00 PM (O3: 69.3/100).
When is air pollution at its worst in Kitakyūshū?
In Kitakyūshū, traffic on the surrounding roads, petrochemical and refining operations, and textile and manufacturing 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 Kitakyūshū 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