Worst air pollution Ichikawa, today and tomorrow
Today (10 August): Air quality in Ichikawa is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 1:00 PM (O3: 26.8/100).
Tomorrow (11 August 2026): Air quality in Ichikawa is fair. NO2 increases to fair; all other pollutants stay as today. Pollution peaks around 3:00 PM (O3: 34.0/100). 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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Ichikawa's air quality reflects the flat Chiba Prefecture Edogawa River corridor adjacent to Tokyo, with vehicle traffic on surrounding expressways and the dense urban residential and commercial character contributing elevated NOₓ. The flat Kanto Plain allows reasonable dispersal, while the broader Tokyo metropolitan regional emissions elevate background and summer photochemical ozone from the vast Kanto corridor is the primary warm-season concern and Ichikawa generally maintains moderate Tokyo eastern residential corridor readings throughout most of the year.
Today - 10 August | Pollution peaks at 13:00
AQI:
Fair
26.8/100
PM2.5 (fine particles):
Good
7.2/100
PM10 (coarse particles):
Good
2.4/100
NO2 (nitrogen dioxide):
Good
15.5/100
O3 (ozone):
Fair
26.8/100
SO2 (sulfur dioxide):
Good
7.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.8/100
PM1 (ultrafine particles):
Good
7.1/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 15:00
AQI:
Fair
34.0/100
PM2.5 (fine particles):
Good
9.1/100
PM10 (coarse particles):
Good
2.5/100
NO2 (nitrogen dioxide):
Fair
21.5/100
O3 (ozone):
Fair
34.0/100
SO2 (sulfur dioxide):
Good
10.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.3/100
PM1 (ultrafine particles):
Good
13.0/100
Frequently Asked Questions
Is air quality bad in Ichikawa right now?
On 10 August 2026, overall air quality in Ichikawa is fair. AQI is the main air quality indicator at 26.8/100. Pollution peaks around 1:00 PM (O3: 26.8/100).
Will air quality be worse tomorrow in Ichikawa?
On 11 August 2026, air quality conditions in Ichikawa will be similar to today, with AQI forecast at fair at 34.0/100. Pollution peaks around 3:00 PM (O3: 34.0/100).
When is air pollution at its worst in Ichikawa?
Pollution in Ichikawa typically rises when traffic on the surrounding roads as well as heavy industrial and chemical processing combine, especially once warm, sunny weather takes hold. Strong sunlight reacting with local emissions drives up ground-level ozone. This is far less of an issue outside the warmer months.
Are air quality levels in Ichikawa 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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