Worst air pollution Tangshan, today and tomorrow

Today (16 July): 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 8:00 PM (NO2: 76.1/100).
Tomorrow (17 July 2026): Air quality in Tangshan is poor. All pollutants stay as today. Pollution peaks around 12:00 AM (NO2: 72.9/100). 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 - 16 July | Pollution peaks at 20:00

AQI:

Poor

76.1/100

PM2.5 (fine particles):

Medium

40.7/100

PM10 (coarse particles):

Good

12.8/100

NO2 (nitrogen dioxide):

Poor

76.1/100

O3 (ozone):

Poor

60.5/100

SO2 (sulfur dioxide):

Fair

34.5/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

15.4/100

PM1 (ultrafine particles):

Medium

43.2/100

Levels show the poorest local air quality during the day

Tomorrow - 17 July | Pollution peaks at 00:00

AQI:

Poor

72.9/100

PM2.5 (fine particles):

Medium

41.8/100

PM10 (coarse particles):

Good

14.6/100

NO2 (nitrogen dioxide):

Poor

72.9/100

O3 (ozone):

Poor

69.4/100

SO2 (sulfur dioxide):

Fair

33.4/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

10.1/100

PM1 (ultrafine particles):

Medium

44.6/100

Frequently Asked Questions

Is air quality bad in Tangshan right now?

On 16 July 2026, overall air quality in Tangshan is poor. AQI is the main air quality indicator at 76.1/100. Pollution peaks around 8:00 PM (NO2: 76.1/100).

Will air quality be worse tomorrow in Tangshan?

On 17 July 2026, air quality conditions in Tangshan will be similar to today, with AQI forecast at poor at 72.9/100. Pollution peaks around 12:00 AM (NO2: 72.9/100).

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.

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Data provided by Airmine — Last update: 16 July 2026 at 10:33 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.

For long term forecasts and maps, see the Airmine app