Worst air pollution Chengguan, today and tomorrow
Today (10 August): Air quality in Chengguan is poor. AQI and O3 are poor; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 2:00 PM (O3: 68.7/100).
Tomorrow (11 August 2026): Air quality in Chengguan is fair. AQI improves to fair; O3 decreases to fair; all other pollutants stay as today. Pollution peaks around 4:00 AM (O3: 27.6/100). 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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Chengguan in China reflects the generic district administrative name appearing across multiple Chinese cities, with vehicle traffic and local manufacturing and residential character contributing sources based on the specific urban context. Winter coal heating generates seasonal PM2.5 elevation and the regional industrial background influences readings throughout the year.
Today - 10 August | Pollution peaks at 14:00
AQI:
Poor
68.7/100
PM2.5 (fine particles):
Good
12.3/100
PM10 (coarse particles):
Good
3.3/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Poor
68.7/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
7.9/100
PM1 (ultrafine particles):
Good
17.1/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 04:00
AQI:
Fair
27.6/100
PM2.5 (fine particles):
Good
11.5/100
PM10 (coarse particles):
Good
3.2/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
27.6/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
6.3/100
PM1 (ultrafine particles):
Good
15.6/100
Frequently Asked Questions
Is air quality bad in Chengguan right now?
On 10 August 2026, overall air quality in Chengguan is poor. AQI is the main air quality indicator at 68.7/100. Pollution peaks around 2:00 PM (O3: 68.7/100).
Will air quality be worse tomorrow in Chengguan?
On 11 August 2026, air quality conditions in Chengguan will be better than today, with AQI forecast at fair at 27.6/100. Pollution peaks around 4:00 AM (O3: 27.6/100).
When is air pollution at its worst in Chengguan?
Air quality in Chengguan tends to be worse when traffic on the surrounding roads together with light manufacturing build up and windblown dust events occur. These wind events can carry dust in from the surrounding arid landscape. Residential heating through the colder months is a major seasonal source of particulates.
Are air quality levels in Chengguan 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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