Worst air pollution Zhengzhou, today and tomorrow
Today (10 August): Air quality in Zhengzhou is poor. AQI and O3 are poor; PM1 is fair; NO2 is medium; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 2:00 PM (O3: 70.3/100).
Tomorrow (11 August 2026): Air quality in Zhengzhou is fair. AQI improves to fair; NO2 increases to fair; O3 decreases to good; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 6:00 PM (NO2: 35.9/100). 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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Zhengzhou's air quality reflects the flat North China Plain's central Henan position adjacent to the Yellow River flood plain, with vehicle traffic on the Third Ring Road and surrounding heavy industry, aluminum, and construction generating elevated PM2.5. The flat Henan plain allows limited dispersal under winter anticyclonic inversions, while the Yellow River valley's seasonal dust and the Beijing-Guangzhou industrial corridor's regional background maintain Zhengzhou among China's more challenged North China Plain provincial capital environments throughout the year.
Today - 10 August | Pollution peaks at 14:00
AQI:
Poor
70.3/100
PM2.5 (fine particles):
Good
16.4/100
PM10 (coarse particles):
Good
4.5/100
NO2 (nitrogen dioxide):
Medium
41.7/100
O3 (ozone):
Poor
70.3/100
SO2 (sulfur dioxide):
Good
8.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.0/100
PM1 (ultrafine particles):
Fair
22.2/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 18:00
AQI:
Fair
35.9/100
PM2.5 (fine particles):
Good
11.9/100
PM10 (coarse particles):
Good
3.3/100
NO2 (nitrogen dioxide):
Fair
35.9/100
O3 (ozone):
Good
19.6/100
SO2 (sulfur dioxide):
Good
7.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.2/100
PM1 (ultrafine particles):
Good
16.1/100
Frequently Asked Questions
Is air quality bad in Zhengzhou right now?
On 10 August 2026, overall air quality in Zhengzhou is poor. AQI is the main air quality indicator at 70.3/100. Pollution peaks around 2:00 PM (O3: 70.3/100).
Will air quality be worse tomorrow in Zhengzhou?
On 11 August 2026, air quality conditions in Zhengzhou will be better than today, with AQI forecast at fair at 35.9/100. Pollution peaks around 6:00 PM (NO2: 35.9/100).
When is air pollution at its worst in Zhengzhou?
Pollution in Zhengzhou typically rises when traffic emissions along with construction activity combine, especially once calm, stagnant conditions settle in the surrounding valley. The surrounding valley terrain holds pollutants near the surface rather than letting them disperse. Dust carried on these winds adds substantially to particulate levels.
Are air quality levels in Zhengzhou 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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