Worst air pollution Moriya, today and tomorrow

Today (10 August): Air quality in Moriya is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 PM (O3: 29.7/100).
Tomorrow (11 August 2026): Air quality in Moriya is fair. AQI improves to medium; NO2 increases to fair; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 3:00 PM (O3: 40.7/100). 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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Moriya's air quality reflects the flat Ibaraki Prefecture Kinu River plain adjacent to Tokyo, with vehicle traffic on surrounding roads and the manufacturing, residential, and commercial character contributing local sources. The flat Kanto Plain allows reasonable dispersal, while summer photochemical ozone from the broader Kanto corridor is the primary warm-season concern and Moriya generally maintains moderate Japanese Ibaraki suburban readings throughout most of the year.

Today - 10 August | Pollution peaks at 12:00

AQI:

Fair

29.7/100

PM2.5 (fine particles):

Good

8.4/100

PM10 (coarse particles):

Good

2.6/100

NO2 (nitrogen dioxide):

Good

11.2/100

O3 (ozone):

Fair

29.7/100

SO2 (sulfur dioxide):

Good

3.5/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

8.6/100

PM1 (ultrafine particles):

Good

9.4/100

Levels show the poorest local air quality during the day

Tomorrow - 11 August | Pollution peaks at 15:00

AQI:

Medium

40.7/100

PM2.5 (fine particles):

Good

12.2/100

PM10 (coarse particles):

Good

3.3/100

NO2 (nitrogen dioxide):

Fair

25.0/100

O3 (ozone):

Medium

40.7/100

SO2 (sulfur dioxide):

Good

9.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

8.6/100

PM1 (ultrafine particles):

Good

17.5/100

Frequently Asked Questions

Is air quality bad in Moriya right now?

On 10 August 2026, overall air quality in Moriya is fair. AQI is the main air quality indicator at 29.7/100. Pollution peaks around 12:00 PM (O3: 29.7/100).

Will air quality be worse tomorrow in Moriya?

On 11 August 2026, air quality conditions in Moriya will be similar to today, with NO2 forecast at fair at 25.0/100. Pollution peaks around 3:00 PM (O3: 40.7/100).

When is air pollution at its worst in Moriya?

Pollution in Moriya typically rises when road traffic, steel, cement, and chemical production, and manufacturing activity 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 Moriya 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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