Worst air pollution Zigong, today and tomorrow
Today (10 August): Air quality in Zigong is poor. AQI and O3 are poor; HCHO is fair; PM2.5, NO2, and PM1 are medium; PM10, SO2, and CO are good. Pollution peaks around 3:00 PM (O3: 75.8/100).
Tomorrow (11 August 2026): Air quality in Zigong is poor. PM2.5 increases to fair; all other pollutants stay as today. Pollution peaks around 11:00 AM (O3: 79.2/100). 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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Zigong's air quality reflects the Sichuan Basin's Tuo River valley position, with vehicle traffic on surrounding expressways and the salt chemical — Zigong being China's salt capital — dinosaur tourism, and manufacturing corridor contributing distinctive salt chemical industrial emissions. The Sichuan Basin's topographic enclosure creates concentration under winter inversions, while the salt chemical operations add a uniquely characteristic industrial emission profile and Zigong generally maintains moderate Sichuan Basin provincial readings throughout most of the year.
Today - 10 August | Pollution peaks at 15:00
AQI:
Poor
75.8/100
PM2.5 (fine particles):
Medium
40.2/100
PM10 (coarse particles):
Good
11.5/100
NO2 (nitrogen dioxide):
Medium
51.0/100
O3 (ozone):
Poor
75.8/100
SO2 (sulfur dioxide):
Good
5.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
20.6/100
PM1 (ultrafine particles):
Medium
43.1/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 11:00
AQI:
Poor
79.2/100
PM2.5 (fine particles):
Fair
32.2/100
PM10 (coarse particles):
Good
8.9/100
NO2 (nitrogen dioxide):
Medium
44.7/100
O3 (ozone):
Poor
79.2/100
SO2 (sulfur dioxide):
Good
6.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
21.2/100
PM1 (ultrafine particles):
Medium
40.2/100
Frequently Asked Questions
Is air quality bad in Zigong right now?
On 10 August 2026, overall air quality in Zigong is poor. AQI is the main air quality indicator at 75.8/100. Pollution peaks around 3:00 PM (O3: 75.8/100).
Will air quality be worse tomorrow in Zigong?
On 11 August 2026, air quality conditions in Zigong will be similar to today, with AQI forecast at poor at 79.2/100. Pollution peaks around 11:00 AM (O3: 79.2/100).
When is air pollution at its worst in Zigong?
The biggest local contributors to pollution in Zigong are road traffic, heavy industry such as steel, cement, or petrochemical processing, as well as manufacturing and food processing, particularly once the surrounding valley traps air close to the ground. The bowl-like terrain here limits how quickly pollutants can escape. Dust carried on these winds adds substantially to particulate levels.
Are air quality levels in Zigong 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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