Worst air pollution Suzhou, today and tomorrow
Today (10 August): Air quality in Suzhou is good. AQI, PM2.5, PM10, NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 5:00 AM (O3: 19.5/100).
Tomorrow (11 August 2026): Air quality in Suzhou is fair. AQI worsens to fair; NO2 increases to fair; O3 increases to fair; all other pollutants stay as today. Pollution peaks around 12:00 PM (O3: 35.4/100). 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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Suzhou in Jiangsu reflects the Yangtze delta's flat canal and lake district adjacent to Shanghai, with vehicle traffic on surrounding expressways and the semiconductor manufacturing, technology, and precision engineering corridor generating elevated industrial PM2.5. East China Sea breezes provide limited maritime ventilation, while winter anticyclonic inversions concentrate industrial and heating emissions and Suzhou generally maintains moderate to elevated Yangtze Delta technology industrial corridor readings throughout most of the year.
Today - 10 August | Pollution peaks at 05:00
AQI:
Good
19.5/100
PM2.5 (fine particles):
Good
6.7/100
PM10 (coarse particles):
Good
2.0/100
NO2 (nitrogen dioxide):
Good
15.5/100
O3 (ozone):
Good
19.5/100
SO2 (sulfur dioxide):
Good
2.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.7/100
PM1 (ultrafine particles):
Good
8.6/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 12:00
AQI:
Fair
35.4/100
PM2.5 (fine particles):
Good
7.9/100
PM10 (coarse particles):
Good
2.3/100
NO2 (nitrogen dioxide):
Fair
20.5/100
O3 (ozone):
Fair
35.4/100
SO2 (sulfur dioxide):
Good
4.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.7/100
PM1 (ultrafine particles):
Good
10.4/100
Frequently Asked Questions
Is air quality bad in Suzhou right now?
On 10 August 2026, overall air quality in Suzhou is good. AQI is the main air quality indicator at 19.5/100. Pollution peaks around 5:00 AM (O3: 19.5/100).
Will air quality be worse tomorrow in Suzhou?
On 11 August 2026, air quality conditions in Suzhou will be worse than today, with AQI forecast at fair at 35.4/100. Pollution peaks around 12:00 PM (O3: 35.4/100).
When is air pollution at its worst in Suzhou?
In Suzhou, vehicle traffic along with textile and manufacturing operations are the main local sources, with conditions worsening when dry, windy weather picks up. Strong seasonal winds can lift dust from the surrounding dry terrain and push particulate levels sharply higher. Onshore breezes usually help clear the air, but pollution can build up when winds are light.
Are air quality levels in Suzhou 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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