Worst air pollution Zhangjiakou, today and tomorrow

Today (10 August): Air quality in Zhangjiakou is very poor. AQI and O3 are very poor; PM2.5 is fair; NO2 and PM1 are medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 3:00 PM (O3: 90.3/100).
Tomorrow (11 August 2026): Air quality in Zhangjiakou is very poor. PM2.5 decreases to medium; all other pollutants stay as today. Pollution peaks around 12:00 PM (O3: 80.4/100). 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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Zhangjiakou's air quality reflects the Hebei northern plateau's Zhangjia River basin at 824 metres, with vehicle traffic on surrounding expressways and the mining, metallurgy, and renewable energy corridor contributing local sources. The elevated plateau position aids dispersal compared to the flat North China Plain, while winter coal heating and the regional industrial background maintain moderate to elevated Hebei northern plateau readings throughout the year.

Today - 10 August | Pollution peaks at 15:00

AQI:

Very poor

90.3/100

PM2.5 (fine particles):

Fair

38.2/100

PM10 (coarse particles):

Good

10.8/100

NO2 (nitrogen dioxide):

Medium

58.3/100

O3 (ozone):

Very poor

90.3/100

SO2 (sulfur dioxide):

Good

12.4/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

9.3/100

PM1 (ultrafine particles):

Medium

41.9/100

Levels show the poorest local air quality during the day

Tomorrow - 11 August | Pollution peaks at 12:00

AQI:

Very poor

80.4/100

PM2.5 (fine particles):

Medium

42.8/100

PM10 (coarse particles):

Good

14.8/100

NO2 (nitrogen dioxide):

Medium

58.4/100

O3 (ozone):

Very poor

80.4/100

SO2 (sulfur dioxide):

Good

15.5/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

11.2/100

PM1 (ultrafine particles):

Medium

46.3/100

Frequently Asked Questions

Is air quality bad in Zhangjiakou right now?

On 10 August 2026, overall air quality in Zhangjiakou is very poor. AQI is the main air quality indicator at 90.3/100. Pollution peaks around 3:00 PM (O3: 90.3/100).

Will air quality be worse tomorrow in Zhangjiakou?

On 11 August 2026, air quality conditions in Zhangjiakou will be similar to today, with AQI forecast at very poor at 80.4/100. Pollution peaks around 12:00 PM (O3: 80.4/100).

When is air pollution at its worst in Zhangjiakou?

Zhangjiakou usually sees its poorest air quality when road traffic, the local power plant, together with mining and quarrying operations coincide with periods when windblown dust events occur. Strong seasonal winds can lift dust from the surrounding dry terrain and push particulate levels sharply higher. Residential heating through the colder months is a major seasonal source of particulates.

Are air quality levels in Zhangjiakou 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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