Worst air pollution Huaihua, today and tomorrow
Today (10 August): Air quality in Huaihua is fair. HCHO is fair; AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, and PM1 are good. Pollution peaks around 11:00 AM (O3: 52.4/100).
Tomorrow (11 August 2026): Air quality in Huaihua is fair. All pollutants stay as today. Pollution peaks around 11:00 AM (O3: 52.1/100). 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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Huaihua's air quality reflects the Hunan western Wushui River valley's partial enclosure between the Xuefeng and Wuling mountain ranges, with vehicle traffic on surrounding expressways and the agricultural, timber, and manufacturing corridor contributing local sources. The surrounding mountain ranges create significant topographic enclosure, while winter coal heating under valley inversions generates elevated PM2.5 and the relatively lower industrial intensity compared to eastern Hunan generally maintains moderate western Hunan provincial readings.
Today - 10 August | Pollution peaks at 11:00
AQI:
Medium
52.4/100
PM2.5 (fine particles):
Good
11.3/100
PM10 (coarse particles):
Good
3.1/100
NO2 (nitrogen dioxide):
Good
3.6/100
O3 (ozone):
Medium
52.4/100
SO2 (sulfur dioxide):
Good
3.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
20.2/100
PM1 (ultrafine particles):
Good
15.5/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 11:00
AQI:
Medium
52.1/100
PM2.5 (fine particles):
Good
13.6/100
PM10 (coarse particles):
Good
3.8/100
NO2 (nitrogen dioxide):
Good
6.9/100
O3 (ozone):
Medium
52.1/100
SO2 (sulfur dioxide):
Good
3.5/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Fair
23.3/100
PM1 (ultrafine particles):
Good
18.8/100
Frequently Asked Questions
Is air quality bad in Huaihua right now?
On 10 August 2026, overall air quality in Huaihua is fair. HCHO is the main pollutant at 20.2/100. Pollution peaks around 11:00 AM (O3: 52.4/100).
Will air quality be worse tomorrow in Huaihua?
On 11 August 2026, air quality conditions in Huaihua will be similar to today, with HCHO forecast at fair at 23.3/100. Pollution peaks around 11:00 AM (O3: 52.1/100).
When is air pollution at its worst in Huaihua?
Huaihua usually sees its poorest air quality when traffic emissions, light manufacturing, together with agricultural burning coincide with periods when temperature inversions set in over the valley. The surrounding valley terrain holds pollutants near the surface rather than letting them disperse. These wind events can carry dust in from the surrounding arid landscape.
Are air quality levels in Huaihua 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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