Worst air pollution Anshan, today and tomorrow

Today (18 August): Air quality in Anshan is fair. PM2.5 is fair; AQI, NO2, O3, and PM1 are medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 10:00 PM (NO2: 47.4/100).
Tomorrow (19 August 2026): Air quality in Anshan is fair. PM2.5 decreases to medium; O3 increases to fair; SO2 increases to fair; all other pollutants stay as today. Pollution peaks around 8:00 PM (NO2: 55.8/100). 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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Anshan's air quality reflects the Liaoning southern coastal industrial plain's position, with vehicle traffic on surrounding expressways and the Ansteel iron and steel complex — one of China's largest — generating elevated industrial SO₂, PM2.5, and heavy metals. The Yellow Sea maritime influence provides limited ventilation, while winter residential coal heating compounds industrial emissions and the steel complex's industrial scale makes Anshan Liaoning's most distinctively steel manufacturing-defined air quality environment throughout the year.

Today - 18 August | Pollution peaks at 22:00

AQI:

Medium

47.4/100

PM2.5 (fine particles):

Fair

33.9/100

PM10 (coarse particles):

Good

9.5/100

NO2 (nitrogen dioxide):

Medium

47.4/100

O3 (ozone):

Medium

46.1/100

SO2 (sulfur dioxide):

Good

13.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

7.2/100

PM1 (ultrafine particles):

Medium

40.7/100

Levels show the poorest local air quality during the day

Tomorrow - 19 August | Pollution peaks at 20:00

AQI:

Medium

55.8/100

PM2.5 (fine particles):

Medium

43.6/100

PM10 (coarse particles):

Good

15.7/100

NO2 (nitrogen dioxide):

Medium

55.8/100

O3 (ozone):

Fair

33.7/100

SO2 (sulfur dioxide):

Fair

29.1/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

8.2/100

PM1 (ultrafine particles):

Medium

47.7/100

Frequently Asked Questions

Is air quality bad in Anshan right now?

On 18 August 2026, overall air quality in Anshan is fair. PM2.5 is the main pollutant at 33.9/100. Pollution peaks around 10:00 PM (NO2: 47.4/100).

Will air quality be worse tomorrow in Anshan?

On 19 August 2026, air quality conditions in Anshan will be similar to today, with O3 forecast at fair at 33.7/100. Pollution peaks around 8:00 PM (NO2: 55.8/100).

When is air pollution at its worst in Anshan?

In Anshan, traffic on the surrounding roads, heavy industry such as steel, cement, or petrochemical processing, along with light manufacturing are the main local sources, with conditions worsening when windblown dust events occur. These wind events can carry dust in from the surrounding arid landscape. Sea breezes typically keep conditions in check, except during still weather.

Are air quality levels in Anshan 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: 17 August 2026 at 20:32 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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