Worst air pollution Gyōda, today and tomorrow

Today (16 July): Air quality in Gyōda is poor. AQI and O3 are poor; NO2 and PM1 are fair; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 1:00 PM (O3: 72.9/100).
Tomorrow (17 July 2026): Air quality in Gyōda is fair. AQI improves to fair; PM2.5 increases to fair; O3 decreases to fair; SO2 increases to fair; all other pollutants stay as today. Pollution peaks around 12:00 PM (O3: 30.9/100). 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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Gyōda's air quality reflects the flat Saitama northern Arakawa River plain position, with vehicle traffic on surrounding roads and the traditional Japanese armour manufacturing legacy — Gyoda being Japan's samurai armour capital — and agricultural character contributing modest distinctive craft emissions alongside primary vehicle sources. The flat Kanto Plain allows reasonable dispersal, while summer photochemical ozone from the broader Kanto corridor is the primary warm-season concern throughout most of the year.

Today - 16 July | Pollution peaks at 13:00

AQI:

Poor

72.9/100

PM2.5 (fine particles):

Good

19.8/100

PM10 (coarse particles):

Good

5.6/100

NO2 (nitrogen dioxide):

Fair

21.9/100

O3 (ozone):

Poor

72.9/100

SO2 (sulfur dioxide):

Good

16.1/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

10.7/100

PM1 (ultrafine particles):

Fair

24.3/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 12:00

AQI:

Fair

30.9/100

PM2.5 (fine particles):

Fair

20.1/100

PM10 (coarse particles):

Good

5.4/100

NO2 (nitrogen dioxide):

Fair

30.1/100

O3 (ozone):

Fair

30.9/100

SO2 (sulfur dioxide):

Fair

24.1/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

10.7/100

PM1 (ultrafine particles):

Fair

25.9/100

Frequently Asked Questions

Is air quality bad in Gyōda right now?

On 16 July 2026, overall air quality in Gyōda is poor. AQI is the main air quality indicator at 72.9/100. Pollution peaks around 1:00 PM (O3: 72.9/100).

Will air quality be worse tomorrow in Gyōda?

On 17 July 2026, air quality conditions in Gyōda will be better than today, with AQI forecast at fair at 30.9/100. Pollution peaks around 12:00 PM (O3: 30.9/100).

When is air pollution at its worst in Gyōda?

Pollution in Gyōda typically rises when vehicle traffic, petrochemical and refining operations, and manufacturing activity combine, especially once 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 Gyōda 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