Worst air pollution Akishima, today and tomorrow
Today (21 September): Air quality in Akishima is moderate. AQI and NO2 are moderate; PM2.5, PM10, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 PM (NO2: 40.8/100).
Tomorrow (22 September 2026): Air quality in Akishima is moderate. PM2.5 increases to fair; PM10 increases to fair; SO2 increases to fair; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 6:00 PM (NO2: 58.9/100). 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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Akishima's air quality reflects the western Tokyo metropolitan Tama River valley position adjacent to Yokota Air Base's extended flight paths, with vehicle traffic on surrounding roads and the US Air Force aviation operations and manufacturing character contributing elevated NOₓ alongside primary vehicle sources. The flat Kanto Plain allows reasonable dispersal, while the aviation emissions represent the most distinctive local source and summer photochemical ozone is the primary warm-season concern throughout the year.
Today - 21 September | Pollution peaks at 16:00
AQI:
Moderate
40.8/100
PM2.5 (fine particles):
Good
10.8/100
PM10 (coarse particles):
Good
9.1/100
NO2 (nitrogen dioxide):
Moderate
40.8/100
O3 (ozone):
Good
16.6/100
SO2 (sulfur dioxide):
Good
4.7/100
CO (carbon monoxide):
Good
0.6/100
HCHO (formaldehyde):
Good
7.4/100
PM1 (ultrafine particles):
Good
12.7/100
Levels show the poorest local air quality during the day
Tomorrow - 22 September | Pollution peaks at 18:00
AQI:
Moderate
58.9/100
PM2.5 (fine particles):
Fair
31.0/100
PM10 (coarse particles):
Fair
26.2/100
NO2 (nitrogen dioxide):
Moderate
58.9/100
O3 (ozone):
Good
18.1/100
SO2 (sulfur dioxide):
Fair
20.9/100
CO (carbon monoxide):
Good
1.3/100
HCHO (formaldehyde):
Good
9.4/100
PM1 (ultrafine particles):
Fair
35.3/100
Frequently Asked Questions
Is air quality bad in Akishima right now?
On 21 September 2026, overall air quality in Akishima is moderate. AQI is the main air quality indicator at 40.8/100. Pollution peaks around 4:00 PM (NO2: 40.8/100).
Will air quality be worse tomorrow in Akishima?
On 22 September 2026, air quality conditions in Akishima will be similar to today, with AQI forecast at moderate at 58.9/100. Pollution peaks around 6:00 PM (NO2: 58.9/100).
When is air pollution at its worst in Akishima?
Air quality in Akishima tends to be worse when vehicle traffic, aviation activity from the nearby airport, and steel, cement, and chemical production build up and summer heat and strong sunlight build up. Strong sunlight reacting with local emissions drives up ground-level ozone. Cooler temperatures for the rest of the year keep this in check.
Are air quality levels in Akishima 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: 22 September 2026 at 02:59 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.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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