Worst air pollution Tōkai, today and tomorrow
Today (10 August): Air quality in Tōkai is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 45.5/100).
Tomorrow (11 August 2026): Air quality in Tōkai is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 38.9/100). 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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Tōkai's air quality reflects the Aichi Prefecture northern Nagoya Bay coastal industrial position, with vehicle traffic on surrounding roads and the Nippon Steel Tokai Works generating elevated industrial PM2.5 and SO₂ alongside vehicle sources. Ise Bay and Nagoya Bay breezes provide coastal ventilation, while the steel complex's industrial scale represents Tokai's most distinctive local air quality contribution and the coastal position generally maintains moderate to elevated Aichi northern industrial coastal readings throughout most of the year.
Today - 10 August | Pollution peaks at 12:00
AQI:
Medium
45.5/100
PM2.5 (fine particles):
Good
11.4/100
PM10 (coarse particles):
Good
3.8/100
NO2 (nitrogen dioxide):
Good
6.2/100
O3 (ozone):
Medium
45.5/100
SO2 (sulfur dioxide):
Good
3.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.5/100
PM1 (ultrafine particles):
Good
11.5/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 13:00
AQI:
Fair
38.9/100
PM2.5 (fine particles):
Good
6.4/100
PM10 (coarse particles):
Good
2.2/100
NO2 (nitrogen dioxide):
Good
2.9/100
O3 (ozone):
Fair
38.9/100
SO2 (sulfur dioxide):
Good
1.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.5/100
PM1 (ultrafine particles):
Good
5.7/100
Frequently Asked Questions
Is air quality bad in Tōkai right now?
On 10 August 2026, overall air quality in Tōkai is medium. AQI is the main air quality indicator at 45.5/100. Pollution peaks around 12:00 PM (O3: 45.5/100).
Will air quality be worse tomorrow in Tōkai?
On 11 August 2026, air quality conditions in Tōkai will be worse than today, with AQI forecast at fair at 38.9/100. Pollution peaks around 1:00 PM (O3: 38.9/100).
When is air pollution at its worst in Tōkai?
Tōkai usually sees its poorest air quality when traffic emissions and heavy industry such as steel, cement, or petrochemical processing coincide with periods when dry spells bring strong winds. These wind events can carry dust in from the surrounding arid landscape. Onshore breezes usually help clear the air, but pollution can build up when winds are light.
Are air quality levels in Tōkai 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 9 August 2026 at 20:27 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
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