Worst air pollution Tagajō, today and tomorrow
Today (16 July): Air quality in Tagajō is medium. AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 AM (O3: 53.5/100).
Tomorrow (17 July 2026): Air quality in Tagajō is good. AQI improves to good; O3 decreases to good; all other pollutants stay as today. Pollution peaks around 2:00 PM (O3: 16.7/100). 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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Tagajō's air quality reflects the Miyagi Prefecture Pacific Ocean coastal position adjacent to the Sendai Bay seaport, with vehicle traffic on surrounding roads and the manufacturing and port operations contributing local sources. Consistent Pacific maritime breezes provide coastal ventilation, while the 2011 Tōhoku tsunami's coastal reconstruction context adds distinctive environmental awareness and Tagajō generally maintains moderate Sendai metropolitan coastal readings throughout most of the year.
Today - 16 July | Pollution peaks at 11:00
AQI:
Medium
53.5/100
PM2.5 (fine particles):
Good
13.2/100
PM10 (coarse particles):
Good
3.6/100
NO2 (nitrogen dioxide):
Good
9.7/100
O3 (ozone):
Medium
53.5/100
SO2 (sulfur dioxide):
Good
9.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
12.1/100
PM1 (ultrafine particles):
Good
17.9/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 14:00
AQI:
Good
16.7/100
PM2.5 (fine particles):
Good
5.8/100
PM10 (coarse particles):
Good
2.3/100
NO2 (nitrogen dioxide):
Good
8.8/100
O3 (ozone):
Good
16.7/100
SO2 (sulfur dioxide):
Good
6.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
4.3/100
PM1 (ultrafine particles):
Good
4.9/100
Frequently Asked Questions
Is air quality bad in Tagajō right now?
On 16 July 2026, overall air quality in Tagajō is medium. AQI is the main air quality indicator at 53.5/100. Pollution peaks around 11:00 AM (O3: 53.5/100).
Will air quality be worse tomorrow in Tagajō?
On 17 July 2026, air quality conditions in Tagajō will be better than today, with AQI forecast at good at 16.7/100. Pollution peaks around 2:00 PM (O3: 16.7/100).
When is air pollution at its worst in Tagajō?
The biggest local contributors to pollution in Tagajō are traffic on the surrounding roads, manufacturing activity, along with construction dust, particularly once the sea breeze weakens. Onshore breezes usually help clear the air, but pollution can build up when winds are light. This natural ventilation is one reason coastal areas often see better readings than inland cities.
Are air quality levels in Tagajō 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