Worst air pollution Hitachi, today and tomorrow
Today (16 July): Air quality in Hitachi is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 AM (O3: 28.6/100).
Tomorrow (17 July 2026): Air quality in Hitachi is good. AQI improves to good; O3 decreases to good; all other pollutants stay as today. Pollution peaks around 11:00 AM (O3: 19.2/100). 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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Hitachi's air quality reflects the Ibaraki Prefecture Pacific Ocean coastal position, with consistent Pacific maritime breezes providing reliable ventilation along the Hitachi seacoast. Vehicle traffic on surrounding roads and the Hitachi Ltd. manufacturing complex — the city being the birthplace of Hitachi Corporation — generating elevated industrial and electrical machinery emissions alongside vehicle sources. The outstanding Pacific coastal exposure and the Abukuma highlands rising inland create topographic variation and Hitachi generally maintains moderate to good coastal industrial readings throughout most of the year.
Today - 16 July | Pollution peaks at 00:00
AQI:
Fair
28.6/100
PM2.5 (fine particles):
Good
10.2/100
PM10 (coarse particles):
Good
3.6/100
NO2 (nitrogen dioxide):
Good
6.1/100
O3 (ozone):
Fair
28.6/100
SO2 (sulfur dioxide):
Good
2.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.6/100
PM1 (ultrafine particles):
Good
10.0/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 11:00
AQI:
Good
19.2/100
PM2.5 (fine particles):
Good
6.9/100
PM10 (coarse particles):
Good
2.8/100
NO2 (nitrogen dioxide):
Good
4.3/100
O3 (ozone):
Good
19.2/100
SO2 (sulfur dioxide):
Good
1.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.8/100
PM1 (ultrafine particles):
Good
4.6/100
Frequently Asked Questions
Is air quality bad in Hitachi right now?
On 16 July 2026, overall air quality in Hitachi is fair. AQI is the main air quality indicator at 28.6/100. Pollution peaks around 12:00 AM (O3: 28.6/100).
Will air quality be worse tomorrow in Hitachi?
On 17 July 2026, air quality conditions in Hitachi will be better than today, with AQI forecast at good at 19.2/100. Pollution peaks around 11:00 AM (O3: 19.2/100).
When is air pollution at its worst in Hitachi?
Pollution in Hitachi typically rises when traffic on the surrounding roads as well as textile and manufacturing operations combine, especially once windblown dust events occur. Strong seasonal winds can lift dust from the surrounding dry terrain and push particulate levels sharply higher. Sea breezes typically keep conditions in check, except during still weather.
Are air quality levels in Hitachi 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