Worst air pollution Roppongi & Midtown - Tokyo, today and tomorrow
Today (10 August): Air quality in Roppongi & Midtown 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: 43.9/100).
Tomorrow (11 August 2026): Air quality in Roppongi & Midtown is fair. AQI worsens to fair; NO2 decreases to good; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 3:00 PM (O3: 38.4/100). Airmine updates local air quality forecasts four times daily.
Get the full experience in the Airmine app.
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.
Tokyo's Roppongi and Midtown air quality reflects the dense entertainment and diplomatic district, with vehicle traffic on Route 4 and the surrounding concentrated nightlife, corporate, and embassy compound character generating sustained NO₂. The Roppongi Hills and Tokyo Midtown's modern tower complexes create some localised wind channelling, while the area's mixed commercial and residential intensity maintains consistently elevated inner Tokyo urban readings throughout most of the year.
Today - 10 August | Pollution peaks at 13:00
AQI:
Medium
43.9/100
PM2.5 (fine particles):
Good
12.9/100
PM10 (coarse particles):
Good
4.1/100
NO2 (nitrogen dioxide):
Fair
23.4/100
O3 (ozone):
Medium
43.9/100
SO2 (sulfur dioxide):
Good
17.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.8/100
PM1 (ultrafine particles):
Good
14.1/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 15:00
AQI:
Fair
38.4/100
PM2.5 (fine particles):
Good
10.4/100
PM10 (coarse particles):
Good
2.8/100
NO2 (nitrogen dioxide):
Good
18.6/100
O3 (ozone):
Fair
38.4/100
SO2 (sulfur dioxide):
Good
12.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.8/100
PM1 (ultrafine particles):
Good
14.7/100
Other Landmarks in Tokyo
Frequently Asked Questions
Is air quality bad in Roppongi & Midtown right now?
On 10 August 2026, overall air quality in Roppongi & Midtown is fair. NO2 is the main pollutant at 23.4/100. Pollution peaks around 1:00 PM (O3: 43.9/100).
Will air quality be worse tomorrow in Roppongi & Midtown?
On 11 August 2026, air quality conditions in Roppongi & Midtown will be similar to today, with AQI forecast at fair at 38.4/100. Pollution peaks around 3:00 PM (O3: 38.4/100).
When is air pollution at its worst in Roppongi & Midtown?
Roppongi & Midtown residents notice reduced air quality mainly when cedar and cypress pollen peaks, and during spells of vehicle traffic on Route 4 and the local concentrated nightlife, corporate, and embassy compound character; the rest of the calendar year is generally more forgiving for air quality.
Are air quality levels in Roppongi & Midtown 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.
Check air quality in other popular cities:
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.
Get the full experience in the Airmine app.