Worst air pollution Kariya, today and tomorrow
Today (16 July): Air quality in Kariya is very poor. AQI and O3 are very poor; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 2:00 PM (O3: 82.8/100).
Tomorrow (17 July 2026): Air quality in Kariya is poor. AQI improves to poor; O3 decreases to poor; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 68.7/100). 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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Kariya's air quality reflects the Aichi Prefecture Yahagi River plain position adjacent to Toyota City, with vehicle traffic on surrounding roads and the Toyota Group automotive components manufacturing — Kariya being Aisin Seiki's global headquarters — generating elevated automotive industrial emissions. The flat Nobi Plain allows reasonable dispersal, while summer photochemical ozone from the vast Chukyo metropolitan corridor is the primary warm-season concern and Kariya's automotive character makes it one of Aichi's most distinctively automotive industry-defined smaller cities throughout the year.
Today - 16 July | Pollution peaks at 14:00
AQI:
Very poor
82.8/100
PM2.5 (fine particles):
Good
16.2/100
PM10 (coarse particles):
Good
5.0/100
NO2 (nitrogen dioxide):
Good
17.1/100
O3 (ozone):
Very poor
82.8/100
SO2 (sulfur dioxide):
Good
9.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.7/100
PM1 (ultrafine particles):
Good
18.9/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 13:00
AQI:
Poor
68.7/100
PM2.5 (fine particles):
Good
17.6/100
PM10 (coarse particles):
Good
5.6/100
NO2 (nitrogen dioxide):
Good
18.8/100
O3 (ozone):
Poor
68.7/100
SO2 (sulfur dioxide):
Good
9.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.9/100
PM1 (ultrafine particles):
Fair
20.5/100
Frequently Asked Questions
Is air quality bad in Kariya right now?
On 16 July 2026, overall air quality in Kariya is very poor. AQI is the main air quality indicator at 82.8/100. Pollution peaks around 2:00 PM (O3: 82.8/100).
Will air quality be worse tomorrow in Kariya?
On 17 July 2026, air quality conditions in Kariya will be better than today, with AQI forecast at poor at 68.7/100. Pollution peaks around 1:00 PM (O3: 68.7/100).
When is air pollution at its worst in Kariya?
Air quality in Kariya tends to be worse when traffic on the surrounding roads, petrochemical and refining operations, along with manufacturing and food processing build up and dry, windy weather picks up. Dust carried on these winds adds substantially to particulate levels. Photochemical reactions in the heat push ozone levels higher.
Are air quality levels in Kariya 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