Worst air pollution Imabari, today and tomorrow
Today (10 August): Air quality in Imabari is fair. NO2 is fair; AQI and O3 are medium; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 41.9/100).
Tomorrow (11 August 2026): Air quality in Imabari is fair. All pollutants stay as today. Pollution peaks around 1:00 PM (O3: 49.9/100). 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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Imabari's air quality benefits from its exceptional Ehime Prefecture Seto Inland Sea and Kurushima Kaikyo channel coastal position, with consistent Seto Inland Sea and powerful Kurushima tidal maritime breezes providing reliable ventilation. Vehicle traffic on surrounding roads and the shipbuilding — Imabari being Japan's shipbuilding capital — and textile corridor contribute local sources, while the outstanding coastal exposure and the powerful tidal channel ventilation generally maintain Imabari among Shikoku's more moderately ventilated industrial coastal cities throughout most of the year.
Today - 10 August | Pollution peaks at 13:00
AQI:
Medium
41.9/100
PM2.5 (fine particles):
Good
9.3/100
PM10 (coarse particles):
Good
2.7/100
NO2 (nitrogen dioxide):
Fair
29.1/100
O3 (ozone):
Medium
41.9/100
SO2 (sulfur dioxide):
Good
12.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
11.7/100
PM1 (ultrafine particles):
Good
11.6/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 13:00
AQI:
Medium
49.9/100
PM2.5 (fine particles):
Good
9.9/100
PM10 (coarse particles):
Good
3.1/100
NO2 (nitrogen dioxide):
Fair
27.3/100
O3 (ozone):
Medium
49.9/100
SO2 (sulfur dioxide):
Good
9.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.6/100
PM1 (ultrafine particles):
Good
12.3/100
Frequently Asked Questions
Is air quality bad in Imabari right now?
On 10 August 2026, overall air quality in Imabari is fair. NO2 is the main pollutant at 29.1/100. Pollution peaks around 1:00 PM (O3: 41.9/100).
Will air quality be worse tomorrow in Imabari?
On 11 August 2026, air quality conditions in Imabari will be similar to today, with NO2 forecast at fair at 27.3/100. Pollution peaks around 1:00 PM (O3: 49.9/100).
When is air pollution at its worst in Imabari?
In Imabari, vehicle traffic, textile and manufacturing operations, and fishing fleet activity are the main local sources, with conditions worsening when windblown dust events occur. Strong seasonal winds can lift dust from the surrounding dry terrain and push particulate levels sharply higher. Maritime airflow normally ventilates the area well, though calmer spells let levels rise.
Are air quality levels in Imabari 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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