Worst air pollution Nangandao, today and tomorrow

Today (17 August): Air quality in Nangandao is poor. AQI, NO2, and O3 are poor; PM2.5 and PM1 are medium; PM10, SO2, CO, and HCHO are good. Pollution peaks around 10:00 PM (NO2: 79.1/100).
Tomorrow (18 August 2026): Air quality in Nangandao is very poor. AQI worsens to very poor; NO2 increases to very poor; O3 increases to very poor; all other pollutants stay as today. Pollution peaks around 2:00 PM (O3: 90.9/100). 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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Nangandao's air quality reflects the flat central Henan agricultural and urban corridor, with vehicle traffic on surrounding roads and agricultural processing and manufacturing contributing local sources. Winter residential coal and biomass burning generates elevated PM2.5 under inversions, while the flat North China terrain allows reasonable summer dispersal and the regional industrial background influences readings throughout the winter months.

Today - 17 August | Pollution peaks at 22:00

AQI:

Poor

79.1/100

PM2.5 (fine particles):

Medium

41.4/100

PM10 (coarse particles):

Good

14.5/100

NO2 (nitrogen dioxide):

Poor

79.1/100

O3 (ozone):

Poor

77.7/100

SO2 (sulfur dioxide):

Good

16.0/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

9.5/100

PM1 (ultrafine particles):

Medium

44.4/100

Levels show the poorest local air quality during the day

Tomorrow - 18 August | Pollution peaks at 14:00

AQI:

Very poor

90.9/100

PM2.5 (fine particles):

Medium

45.2/100

PM10 (coarse particles):

Good

18.5/100

NO2 (nitrogen dioxide):

Very poor

85.6/100

O3 (ozone):

Very poor

90.9/100

SO2 (sulfur dioxide):

Good

12.9/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

11.6/100

PM1 (ultrafine particles):

Medium

49.7/100

Frequently Asked Questions

Is air quality bad in Nangandao right now?

On 17 August 2026, overall air quality in Nangandao is poor. AQI is the main air quality indicator at 79.1/100. Pollution peaks around 10:00 PM (NO2: 79.1/100).

Will air quality be worse tomorrow in Nangandao?

On 18 August 2026, air quality conditions in Nangandao will be worse than today, with AQI forecast at very poor at 90.9/100. Pollution peaks around 2:00 PM (O3: 90.9/100).

When is air pollution at its worst in Nangandao?

Pollution in Nangandao typically rises when vehicle traffic, light manufacturing, along with agricultural activity combine, especially once windblown dust events occur. Dust carried on these winds adds substantially to particulate levels. Fuel burned for winter heating adds an extra layer of particulates on top of other sources.

Are air quality levels in Nangandao 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 02:28 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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