Worst air pollution Minami-Sōma, today and tomorrow
Today (16 July): Air quality in Minami-Sōma is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 57.2/100).
Tomorrow (17 July 2026): Air quality in Minami-Sōma is fair. AQI worsens to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 12:00 PM (O3: 24.5/100). 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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Minami-Sōma's air quality reflects the Fukushima Prefecture Pacific Ocean coastal position on the Hamadori coast, with vehicle traffic on surrounding roads and the manufacturing and agricultural corridor contributing local sources. Consistent Pacific maritime breezes provide coastal ventilation, while the extraordinary context of the 2011 Fukushima Daiichi nuclear disaster's 20km evacuation zone legacy adds profound environmental significance to the broader local awareness and Minami-Soma generally maintains moderate coastal readings throughout most of the year.
Today - 16 July | Pollution peaks at 12:00
AQI:
Medium
57.2/100
PM2.5 (fine particles):
Good
10.4/100
PM10 (coarse particles):
Good
2.9/100
NO2 (nitrogen dioxide):
Good
5.8/100
O3 (ozone):
Medium
57.2/100
SO2 (sulfur dioxide):
Good
6.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
12.9/100
PM1 (ultrafine particles):
Good
13.2/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 12:00
AQI:
Fair
24.5/100
PM2.5 (fine particles):
Good
4.2/100
PM10 (coarse particles):
Good
1.4/100
NO2 (nitrogen dioxide):
Good
6.3/100
O3 (ozone):
Fair
24.5/100
SO2 (sulfur dioxide):
Good
1.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
14.6/100
PM1 (ultrafine particles):
Good
4.5/100
Frequently Asked Questions
Is air quality bad in Minami-Sōma right now?
On 16 July 2026, overall air quality in Minami-Sōma is medium. AQI is the main air quality indicator at 57.2/100. Pollution peaks around 12:00 PM (O3: 57.2/100).
Will air quality be worse tomorrow in Minami-Sōma?
On 17 July 2026, air quality conditions in Minami-Sōma will be worse than today, with AQI forecast at fair at 24.5/100. Pollution peaks around 12:00 PM (O3: 24.5/100).
When is air pollution at its worst in Minami-Sōma?
Air quality in Minami-Sōma tends to be worse when road traffic, manufacturing and food processing, and agricultural burning build up and maritime winds die down. Sea breezes typically keep conditions in check, except during still weather. Areas further inland without this ventilation tend to fare worse.
Are air quality levels in Minami-Sōma 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