Worst air pollution Isesaki, today and tomorrow
Today (16 July): Air quality in Isesaki is poor. AQI and O3 are poor; PM2.5 and PM1 are fair; PM10, NO2, SO2, CO, and HCHO are good. Pollution peaks around 1:00 PM (O3: 79.1/100).
Tomorrow (17 July 2026): Air quality in Isesaki is fair. AQI improves to medium; PM2.5 decreases to good; NO2 increases to fair; O3 decreases to medium; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 1:00 PM (O3: 58.4/100). 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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Isesaki's air quality reflects the flat Gunma Prefecture Tone River plain position, with vehicle traffic on surrounding roads and the manufacturing, textile, and agricultural corridor contributing local sources. The flat Kanto Plain allows reasonable dispersal, while summer photochemical ozone from the broader Kanto corridor and the Foehn-like Karakkaze winds create distinctive local meteorological dynamics and Isesaki generally maintains moderate Japanese inland Kanto plain readings throughout most of the year.
Today - 16 July | Pollution peaks at 13:00
AQI:
Poor
79.1/100
PM2.5 (fine particles):
Fair
23.1/100
PM10 (coarse particles):
Good
6.4/100
NO2 (nitrogen dioxide):
Good
18.6/100
O3 (ozone):
Poor
79.1/100
SO2 (sulfur dioxide):
Good
13.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
12.3/100
PM1 (ultrafine particles):
Fair
28.1/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 13:00
AQI:
Medium
58.4/100
PM2.5 (fine particles):
Good
13.1/100
PM10 (coarse particles):
Good
3.5/100
NO2 (nitrogen dioxide):
Fair
21.8/100
O3 (ozone):
Medium
58.4/100
SO2 (sulfur dioxide):
Good
10.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
11.8/100
PM1 (ultrafine particles):
Good
18.4/100
Frequently Asked Questions
Is air quality bad in Isesaki right now?
On 16 July 2026, overall air quality in Isesaki is poor. AQI is the main air quality indicator at 79.1/100. Pollution peaks around 1:00 PM (O3: 79.1/100).
Will air quality be worse tomorrow in Isesaki?
On 17 July 2026, air quality conditions in Isesaki will be better than today, with NO2 forecast at fair at 21.8/100. Pollution peaks around 1:00 PM (O3: 58.4/100).
When is air pollution at its worst in Isesaki?
Pollution in Isesaki typically rises when road traffic, steel, cement, and chemical production, together with light manufacturing combine, especially once hot, still weather settles in. Photochemical reactions in the heat push ozone levels higher. This is far less of an issue outside the warmer months.
Are air quality levels in Isesaki 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