Worst air pollution Wakō, today and tomorrow
Today (16 July): Air quality in Wakō is fair. PM2.5, SO2, and PM1 are fair; AQI, NO2, 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 Wakō is fair. O3 decreases to good; SO2 decreases to medium; all other pollutants stay as today. Pollution peaks around 5:00 AM (NO2: 43.1/100). 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
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Wakō's air quality reflects the flat Saitama southern Shingashi River plain adjacent to Tokyo, with vehicle traffic on surrounding roads and the Honda Research Institute and pharmaceutical manufacturing character contributing elevated research facility and industrial emissions. The flat Kanto Plain allows reasonable dispersal, while the broader Tokyo metropolitan regional emissions elevate background and summer photochemical ozone is the primary warm-season concern and Wako generally maintains moderate Tokyo northern Saitama suburban readings throughout most of the year.
Today - 16 July | Pollution peaks at 13:00
AQI:
Medium
52.8/100
PM2.5 (fine particles):
Fair
25.5/100
PM10 (coarse particles):
Good
7.3/100
NO2 (nitrogen dioxide):
Medium
40.9/100
O3 (ozone):
Medium
52.8/100
SO2 (sulfur dioxide):
Fair
26.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
11.5/100
PM1 (ultrafine particles):
Fair
31.1/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 05:00
AQI:
Medium
43.1/100
PM2.5 (fine particles):
Fair
26.0/100
PM10 (coarse particles):
Good
7.3/100
NO2 (nitrogen dioxide):
Medium
43.1/100
O3 (ozone):
Good
15.4/100
SO2 (sulfur dioxide):
Medium
40.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.4/100
PM1 (ultrafine particles):
Fair
32.7/100
Frequently Asked Questions
Is air quality bad in Wakō right now?
On 16 July 2026, overall air quality in Wakō is fair. PM1 is the main pollutant at 31.1/100. Pollution peaks around 1:00 PM (O3: 52.8/100).
Will air quality be worse tomorrow in Wakō?
On 17 July 2026, air quality conditions in Wakō will be similar to today, with PM1 forecast at fair at 32.7/100. Pollution peaks around 5:00 AM (NO2: 43.1/100).
When is air pollution at its worst in Wakō?
The biggest local contributors to pollution in Wakō are vehicle traffic, heavy industrial and chemical processing, and manufacturing and food processing, particularly once dry spells bring strong winds. Strong seasonal winds can lift dust from the surrounding dry terrain and push particulate levels sharply higher. Strong sunlight reacting with local emissions drives up ground-level ozone.
Are air quality levels in Wakō 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.
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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