Worst air pollution Sado, today and tomorrow
Today (10 August): Air quality in Sado 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: 28.5/100).
Tomorrow (11 August 2026): Air quality in Sado is fair. All pollutants stay as today. Pollution peaks around 12:00 PM (O3: 34.0/100). Airmine updates local air quality forecasts four times daily.
Get the full experience in the Airmine app.
Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
Follow your pollen exposure and performance with the free Airmine–Strava integration. See your pollen and air quality exposure for every Strava activity.
Sado's air quality benefits from its exceptional Niigata Prefecture Sea of Japan island position — Japan's largest island after Hokkaido and Okinawa — with consistent Sea of Japan maritime breezes providing outstanding maritime ventilation. Vehicle traffic on surrounding roads and the gold mine heritage, tarai bune boat fishing, and Kodo drumming tourism corridor contribute modest local sources, while the extraordinary island coastal exposure generally maintains Sado among Japan's cleaner inhabited island environments throughout most of the year.
Today - 10 August | Pollution peaks at 00:00
AQI:
Fair
28.5/100
PM2.5 (fine particles):
Good
7.5/100
PM10 (coarse particles):
Good
3.1/100
NO2 (nitrogen dioxide):
Good
2.7/100
O3 (ozone):
Fair
28.5/100
SO2 (sulfur dioxide):
Good
2.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.2/100
PM1 (ultrafine particles):
Good
3.7/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 12:00
AQI:
Fair
34.0/100
PM2.5 (fine particles):
Good
6.6/100
PM10 (coarse particles):
Good
2.7/100
NO2 (nitrogen dioxide):
Good
5.9/100
O3 (ozone):
Fair
34.0/100
SO2 (sulfur dioxide):
Good
5.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
3.1/100
PM1 (ultrafine particles):
Good
4.4/100
Frequently Asked Questions
Is air quality bad in Sado right now?
On 10 August 2026, overall air quality in Sado is fair. AQI is the main air quality indicator at 28.5/100. Pollution peaks around 12:00 AM (O3: 28.5/100).
Will air quality be worse tomorrow in Sado?
On 11 August 2026, air quality conditions in Sado will be similar to today, with AQI forecast at fair at 34.0/100. Pollution peaks around 12:00 PM (O3: 34.0/100).
When is air pollution at its worst in Sado?
In Sado, traffic on the surrounding roads, harbour and shipping traffic, and seasonal tourism traffic are the main local sources, with conditions worsening when maritime winds die down. Onshore breezes usually help clear the air, but pollution can build up when winds are light. This coastal advantage is less pronounced during still, high-pressure weather.
Are air quality levels in Sado 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.
Check air quality in other popular cities:
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.
Get the full experience in the Airmine app.