Highest air pollution Ōsaka, today and tomorrow
Today (29 June): Air quality in Ōsaka is poor. AQI and O3 are poor; PM2.5 and SO2 are fair; NO2 and PM1 are medium; PM10, CO, and HCHO are good. Pollution peaks around 3:00 PM (O3: 65.5/100).
Tomorrow (30 June 2026): Air quality in Ōsaka is medium. AQI improves to medium; PM2.5 decreases to medium; O3 decreases to medium; SO2 decreases to medium; all other pollutants stay as today. Pollution peaks around 11:00 PM (NO2: 51.7/100). Airmine updates local air quality forecasts four times daily.
For long term forecasts and maps, see the Airmine app
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Osaka's air quality reflects the Osaka Bay coastal plain's partial topographic enclosure between the Ikoma Range and the Rokko Mountains, with vehicle traffic on the Hanshin Expressway and the surrounding manufacturing, port, and petrochemical corridor generating elevated industrial and vehicle emissions. Consistent Pacific sea breezes from Osaka Bay provide maritime ventilation, while the surrounding highland enclosure creates concentration under winter inversions and summer photochemical ozone from the vast Keihanshin metropolitan corridor is the primary warm-season concern.
Today - 29 June | Pollution peaks at 15:00
AQI:
Poor
65.5/100
PM2.5 (fine particles):
Fair
32.5/100
PM10 (coarse particles):
Good
9.2/100
NO2 (nitrogen dioxide):
Medium
45.4/100
O3 (ozone):
Poor
65.5/100
SO2 (sulfur dioxide):
Fair
27.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
10.8/100
PM1 (ultrafine particles):
Medium
40.2/100
Levels show the poorest local air quality during the day
Tomorrow - 30 June | Pollution peaks at 23:00
AQI:
Medium
51.7/100
PM2.5 (fine particles):
Medium
43.2/100
PM10 (coarse particles):
Good
15.3/100
NO2 (nitrogen dioxide):
Medium
51.7/100
O3 (ozone):
Medium
48.9/100
SO2 (sulfur dioxide):
Medium
42.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
12.9/100
PM1 (ultrafine particles):
Medium
47.2/100
Pollen forecast in Ōsaka
View pollen forecastFrequently Asked Questions
Is air quality bad in Ōsaka right now?
On 29 June 2026, overall air quality in Ōsaka is poor. AQI is the main air quality indicator at 65.5/100. Pollution peaks around 3:00 PM (O3: 65.5/100).
Will air quality be worse tomorrow in Ōsaka?
On 30 June 2026, air quality conditions in Ōsaka will be better than today, with AQI forecast at medium at 51.7/100. Pollution peaks around 11:00 PM (NO2: 51.7/100).
Are air quality levels in Ōsaka 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: 28 June 2026 at 18:36 CET (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
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team