Worst air pollution Hino, today and tomorrow
Today (10 August): Air quality in Hino is poor. AQI and O3 are poor; PM2.5, NO2, SO2, and PM1 are fair; PM10, CO, and HCHO are good. Pollution peaks around 3:00 PM (O3: 66.1/100).
Tomorrow (11 August 2026): Air quality in Hino is fair. AQI improves to medium; PM2.5 decreases to good; O3 decreases to medium; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 3:00 PM (O3: 47.7/100). 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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Hino's air quality reflects the western Tokyo metropolitan Tama River corridor position adjacent to Tachikawa, with vehicle traffic on surrounding roads and the Honda manufacturing and residential character contributing local sources. The flat Kanto Plain allows reasonable dispersal, while the broader Tokyo metropolitan regional emissions elevate background and summer photochemical ozone from the vast Kanto corridor is the primary warm-season concern and Hino generally maintains moderate Tokyo western suburban readings throughout most of the year.
Today - 10 August | Pollution peaks at 15:00
AQI:
Poor
66.1/100
PM2.5 (fine particles):
Fair
28.2/100
PM10 (coarse particles):
Good
8.0/100
NO2 (nitrogen dioxide):
Fair
33.2/100
O3 (ozone):
Poor
66.1/100
SO2 (sulfur dioxide):
Fair
23.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
16.1/100
PM1 (ultrafine particles):
Fair
34.7/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 15:00
AQI:
Medium
47.7/100
PM2.5 (fine particles):
Good
11.5/100
PM10 (coarse particles):
Good
3.1/100
NO2 (nitrogen dioxide):
Fair
34.5/100
O3 (ozone):
Medium
47.7/100
SO2 (sulfur dioxide):
Fair
25.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.6/100
PM1 (ultrafine particles):
Good
16.4/100
Frequently Asked Questions
Is air quality bad in Hino right now?
On 10 August 2026, overall air quality in Hino is poor. AQI is the main air quality indicator at 66.1/100. Pollution peaks around 3:00 PM (O3: 66.1/100).
Will air quality be worse tomorrow in Hino?
On 11 August 2026, air quality conditions in Hino will be better than today, with NO2 forecast at fair at 34.5/100. Pollution peaks around 3:00 PM (O3: 47.7/100).
When is air pollution at its worst in Hino?
Air quality in Hino tends to be worse when road traffic, petrochemical and refining operations, along with textile and manufacturing operations build up and warm, sunny weather takes hold. Heat and sunlight combine with emissions to form ozone at ground level. This is far less of an issue outside the warmer months.
Are air quality levels in Hino 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.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 9 August 2026 at 20:27 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.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
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