Worst air pollution Tōkai, today and tomorrow

Today (16 July): Air quality in Tōkai 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 Tōkai 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.

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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 - 16 July | Pollution peaks at 12:00

AQI:

Poor

66.9/100

PM2.5 (fine particles):

Good

16.8/100

PM10 (coarse particles):

Good

5.1/100

NO2 (nitrogen dioxide):

Good

9.0/100

O3 (ozone):

Poor

66.9/100

SO2 (sulfur dioxide):

Good

3.4/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

12.5/100

PM1 (ultrafine particles):

Fair

20.0/100

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

11.4/100

PM10 (coarse particles):

Good

3.3/100

NO2 (nitrogen dioxide):

Good

5.0/100

O3 (ozone):

Poor

74.6/100

SO2 (sulfur dioxide):

Good

2.3/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

10.4/100

PM1 (ultrafine particles):

Good

14.9/100

Frequently Asked Questions

Is air quality bad in Tōkai right now?

On 16 July 2026, overall air quality in Tōkai 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 Tōkai?

On 17 July 2026, air quality conditions in Tōkai 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 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.

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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