Worst air pollution Sanzhou, today and tomorrow
Today (10 August): Air quality in Sanzhou is poor. AQI and O3 are poor; PM2.5 is fair; NO2 and PM1 are medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 12:00 PM (O3: 69.5/100).
Tomorrow (11 August 2026): Air quality in Sanzhou is poor. All pollutants stay as today. Pollution peaks around 1:00 PM (O3: 70.6/100). 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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Sanzhou's air quality reflects the Chongqing metropolitan area's Three Gorges corridor along the Yangtze River, with vehicle traffic on surrounding expressways and the agricultural and manufacturing corridor contributing local sources. The Sichuan Basin's topographic enclosure and the Yangtze gorge corridor's complex wind channelling influence dispersal, while winter inversions and the broader Chongqing metropolitan industrial background maintain moderate Chongqing metropolitan eastern corridor readings throughout most of the year.
Today - 10 August | Pollution peaks at 12:00
AQI:
Poor
69.5/100
PM2.5 (fine particles):
Fair
35.6/100
PM10 (coarse particles):
Good
9.9/100
NO2 (nitrogen dioxide):
Medium
46.5/100
O3 (ozone):
Poor
69.5/100
SO2 (sulfur dioxide):
Good
6.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
17.5/100
PM1 (ultrafine particles):
Medium
41.3/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 13:00
AQI:
Poor
70.6/100
PM2.5 (fine particles):
Fair
36.0/100
PM10 (coarse particles):
Good
10.1/100
NO2 (nitrogen dioxide):
Medium
48.8/100
O3 (ozone):
Poor
70.6/100
SO2 (sulfur dioxide):
Good
6.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
17.6/100
PM1 (ultrafine particles):
Medium
41.4/100
Frequently Asked Questions
Is air quality bad in Sanzhou right now?
On 10 August 2026, overall air quality in Sanzhou is poor. AQI is the main air quality indicator at 69.5/100. Pollution peaks around 12:00 PM (O3: 69.5/100).
Will air quality be worse tomorrow in Sanzhou?
On 11 August 2026, air quality conditions in Sanzhou will be similar to today, with AQI forecast at poor at 70.6/100. Pollution peaks around 1:00 PM (O3: 70.6/100).
When is air pollution at its worst in Sanzhou?
Air quality in Sanzhou tends to be worse when road traffic, manufacturing and food processing, along with crop farming build up and temperature inversions set in over the valley. The bowl-like terrain here limits how quickly pollutants can escape. Strong seasonal winds can lift dust from the surrounding dry terrain and push particulate levels sharply higher.
Are air quality levels in Sanzhou 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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