Worst air pollution Zhengzhou, today and tomorrow
Today (16 July): Air quality in Zhengzhou is very poor. AQI and O3 are very poor; PM2.5, NO2, and PM1 are medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 12:00 PM (O3: 100/100).
Tomorrow (17 July 2026): Air quality in Zhengzhou is fair. AQI improves to medium; PM2.5 increases to fair; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 11:00 PM (NO2: 57.8/100). 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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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 - 16 July | Pollution peaks at 12:00
AQI:
Very poor
100/100
PM2.5 (fine particles):
Medium
40.2/100
PM10 (coarse particles):
Good
12.2/100
NO2 (nitrogen dioxide):
Medium
58.1/100
O3 (ozone):
Very poor
100/100
SO2 (sulfur dioxide):
Good
5.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
13.0/100
PM1 (ultrafine particles):
Medium
42.6/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 23:00
AQI:
Medium
57.8/100
PM2.5 (fine particles):
Fair
33.7/100
PM10 (coarse particles):
Good
9.5/100
NO2 (nitrogen dioxide):
Medium
57.8/100
O3 (ozone):
Medium
57.6/100
SO2 (sulfur dioxide):
Good
6.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.3/100
PM1 (ultrafine particles):
Medium
40.5/100
Frequently Asked Questions
Is air quality bad in Zhengzhou right now?
On 16 July 2026, overall air quality in Zhengzhou is very poor. AQI is the main air quality indicator at 100/100. Pollution peaks around 12:00 PM (O3: 100/100).
Will air quality be worse tomorrow in Zhengzhou?
On 17 July 2026, air quality conditions in Zhengzhou will be better than today, with PM2.5 forecast at fair at 33.7/100. Pollution peaks around 11:00 PM (NO2: 57.8/100).
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.
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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