Worst air pollution Ōbu, today and tomorrow
Today (16 July): Air quality in Ōbu is poor. AQI and O3 are poor; PM1 is fair; PM2.5, PM10, NO2, SO2, CO, and HCHO are good. Pollution peaks around 12:00 PM (O3: 66.9/100).
Tomorrow (17 July 2026): Air quality in Ōbu is poor. PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 4:00 PM (O3: 74.6/100). 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
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Ōbu's air quality reflects the Aichi Prefecture Kinjo district coastal position adjacent to Nagoya Bay, with vehicle traffic on surrounding roads and the automotive parts, chemical, and logistics corridor contributing local sources. The Ise Bay maritime influence provides coastal ventilation, while summer photochemical ozone from the vast Chukyo metropolitan corridor is the primary warm-season concern and Obu generally maintains moderate Nagoya metropolitan southern coastal corridor readings throughout most of the year.
Today - 16 July | Pollution peaks at 12:00
AQI:
Poor
66.9/100
PM2.5 (fine particles):
Good
17.1/100
PM10 (coarse particles):
Good
5.2/100
NO2 (nitrogen dioxide):
Good
11.8/100
O3 (ozone):
Poor
66.9/100
SO2 (sulfur dioxide):
Good
4.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
12.5/100
PM1 (ultrafine particles):
Fair
20.3/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 16:00
AQI:
Poor
74.6/100
PM2.5 (fine particles):
Good
11.6/100
PM10 (coarse particles):
Good
3.4/100
NO2 (nitrogen dioxide):
Good
6.5/100
O3 (ozone):
Poor
74.6/100
SO2 (sulfur dioxide):
Good
3.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
10.4/100
PM1 (ultrafine particles):
Good
15.2/100
Frequently Asked Questions
Is air quality bad in Ōbu right now?
On 16 July 2026, overall air quality in Ōbu is poor. AQI is the main air quality indicator at 66.9/100. Pollution peaks around 12:00 PM (O3: 66.9/100).
Will air quality be worse tomorrow in Ōbu?
On 17 July 2026, air quality conditions in Ōbu will be similar to today, with AQI forecast at poor at 74.6/100. Pollution peaks around 4:00 PM (O3: 74.6/100).
When is air pollution at its worst in Ōbu?
Ōbu usually sees its poorest air quality when vehicle traffic and petrochemical and refining operations coincide with periods when summer heat and strong sunlight build up. Heat and sunlight combine with emissions to form ozone at ground level. Onshore breezes usually help clear the air, but pollution can build up when winds are light.
Are air quality levels in Ōbu 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