Worst air pollution Tangshan, today and tomorrow
Today (10 August): Air quality in Tangshan is poor. AQI, NO2, and O3 are poor; SO2 is fair; PM2.5 and PM1 are medium; PM10, CO, and HCHO are good. Pollution peaks around 1:00 AM (NO2: 70.6/100).
Tomorrow (11 August 2026): Air quality in Tangshan is fair. AQI improves to medium; PM2.5 increases to fair; NO2 decreases to medium; O3 decreases to good; SO2 decreases to good; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 2:00 AM (NO2: 59.2/100). 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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Tangshan's air quality faces significant challenges from the North China Plain's Hebei coast adjacent to the Bohai Gulf, with the surrounding massive iron and steel complex — Tangshan being China's largest steel production base — generating elevated industrial SO₂, PM2.5, and heavy metals alongside vehicle traffic on surrounding expressways. Bohai Sea breezes provide limited coastal ventilation, while the steel industrial scale and winter anticyclonic inversions maintain Tangshan among China's most distinctively steel production-defined air quality environments throughout the year.
Today - 10 August | Pollution peaks at 01:00
AQI:
Poor
70.6/100
PM2.5 (fine particles):
Medium
40.7/100
PM10 (coarse particles):
Good
12.3/100
NO2 (nitrogen dioxide):
Poor
70.6/100
O3 (ozone):
Poor
61.9/100
SO2 (sulfur dioxide):
Fair
26.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.3/100
PM1 (ultrafine particles):
Medium
43.7/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 02:00
AQI:
Medium
59.2/100
PM2.5 (fine particles):
Fair
29.0/100
PM10 (coarse particles):
Good
8.7/100
NO2 (nitrogen dioxide):
Medium
59.2/100
O3 (ozone):
Good
19.3/100
SO2 (sulfur dioxide):
Good
17.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.5/100
PM1 (ultrafine particles):
Fair
34.2/100
Frequently Asked Questions
Is air quality bad in Tangshan right now?
On 10 August 2026, overall air quality in Tangshan is poor. AQI is the main air quality indicator at 70.6/100. Pollution peaks around 1:00 AM (NO2: 70.6/100).
Will air quality be worse tomorrow in Tangshan?
On 11 August 2026, air quality conditions in Tangshan will be better than today, with PM1 forecast at fair at 34.2/100. Pollution peaks around 2:00 AM (NO2: 59.2/100).
When is air pollution at its worst in Tangshan?
Tangshan usually sees its poorest air quality when vehicle traffic as well as petrochemical and refining operations coincide with periods when dry spells bring strong winds. Dust carried on these winds adds substantially to particulate levels. Maritime airflow normally ventilates the area well, though calmer spells let levels rise.
Are air quality levels in Tangshan 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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