Worst air pollution Ushiku, today and tomorrow
Today (16 July): Air quality in Ushiku is fair. PM1 is fair; AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, and HCHO are good. Pollution peaks around 1:00 PM (O3: 58.8/100).
Tomorrow (17 July 2026): Air quality in Ushiku is good. AQI improves to good; O3 decreases to good; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 2:00 PM (O3: 19.5/100). 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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Ushiku's air quality reflects the flat Ibaraki Prefecture Kasumigaura lake plain position, with vehicle traffic on surrounding roads and the manufacturing, residential, and commercial character contributing local sources. 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 Ushiku generally maintains moderate Japanese Ibaraki suburban readings throughout most of the year.
Today - 16 July | Pollution peaks at 13:00
AQI:
Medium
58.8/100
PM2.5 (fine particles):
Good
18.6/100
PM10 (coarse particles):
Good
5.3/100
NO2 (nitrogen dioxide):
Good
10.1/100
O3 (ozone):
Medium
58.8/100
SO2 (sulfur dioxide):
Good
5.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
12.0/100
PM1 (ultrafine particles):
Fair
22.4/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 14:00
AQI:
Good
19.5/100
PM2.5 (fine particles):
Good
12.5/100
PM10 (coarse particles):
Good
3.6/100
NO2 (nitrogen dioxide):
Good
14.1/100
O3 (ozone):
Good
19.5/100
SO2 (sulfur dioxide):
Good
8.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.1/100
PM1 (ultrafine particles):
Good
16.7/100
Frequently Asked Questions
Is air quality bad in Ushiku right now?
On 16 July 2026, overall air quality in Ushiku is fair. PM1 is the main pollutant at 22.4/100. Pollution peaks around 1:00 PM (O3: 58.8/100).
Will air quality be worse tomorrow in Ushiku?
On 17 July 2026, air quality conditions in Ushiku will be better than today, with AQI forecast at good at 19.5/100. Pollution peaks around 2:00 PM (O3: 19.5/100).
When is air pollution at its worst in Ushiku?
Pollution in Ushiku typically rises when road traffic, petrochemical and refining operations, and textile and manufacturing operations combine, especially once summer heat and strong sunlight build up. Strong sunlight reacting with local emissions drives up ground-level ozone. Readings are generally lower during the cooler, cloudier months.
Are air quality levels in Ushiku 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