Worst air pollution Kita-ku, today and tomorrow

Today (16 July): Air quality in Kita-ku is fair. PM2.5, NO2, SO2, and PM1 are fair; AQI and O3 are medium; PM10, CO, and HCHO are good. Pollution peaks around 1:00 PM (O3: 52.8/100).
Tomorrow (17 July 2026): Air quality in Kita-ku is fair. NO2 decreases to medium; O3 decreases to good; all other pollutants stay as today. Pollution peaks around 5:00 AM (NO2: 40.3/100). Airmine updates local air quality forecasts four times daily.

For long term forecasts and maps, see the Airmine app

Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team

Use our Strava plugin to check your own exposure.

Kita-ku's air quality reflects Tokyo's northern residential and commercial district, with vehicle traffic on surrounding expressways and the dense urban residential and shopping 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 Kita generally maintains moderate Tokyo northern residential district readings throughout most of the year.

Today - 16 July | Pollution peaks at 13:00

AQI:

Medium

52.8/100

PM2.5 (fine particles):

Fair

25.0/100

PM10 (coarse particles):

Good

7.2/100

NO2 (nitrogen dioxide):

Fair

36.3/100

O3 (ozone):

Medium

52.8/100

SO2 (sulfur dioxide):

Fair

22.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

11.5/100

PM1 (ultrafine particles):

Fair

30.6/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 05:00

AQI:

Medium

40.3/100

PM2.5 (fine particles):

Fair

25.5/100

PM10 (coarse particles):

Good

7.1/100

NO2 (nitrogen dioxide):

Medium

40.3/100

O3 (ozone):

Good

15.4/100

SO2 (sulfur dioxide):

Fair

35.6/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

7.4/100

PM1 (ultrafine particles):

Fair

32.1/100

Frequently Asked Questions

Is air quality bad in Kita-ku right now?

On 16 July 2026, overall air quality in Kita-ku is fair. NO2 is the main pollutant at 36.3/100. Pollution peaks around 1:00 PM (O3: 52.8/100).

Will air quality be worse tomorrow in Kita-ku?

On 17 July 2026, air quality conditions in Kita-ku will be similar to today, with SO2 forecast at fair at 35.6/100. Pollution peaks around 5:00 AM (NO2: 40.3/100).

When is air pollution at its worst in Kita-ku?

The biggest local contributors to pollution in Kita-ku are road traffic as well as petrochemical and refining operations, particularly once hot, still weather settles in. Heat and sunlight combine with emissions to form ozone at ground level. Cooler temperatures for the rest of the year keep this in check.

Are air quality levels in Kita-ku 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.

Check air quality in other popular cities:

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