Worst air pollution Changde, today and tomorrow
Today (16 July): Air quality in Changde is poor. AQI and O3 are poor; NO2 and PM1 are fair; PM2.5, PM10, SO2, CO, and HCHO are good. Pollution peaks around 4:00 PM (O3: 64.8/100).
Tomorrow (17 July 2026): Air quality in Changde is fair. AQI improves to medium; O3 decreases to medium; PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 5:00 PM (O3: 45.7/100). 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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Changde's air quality reflects the Hunan Dongting Lake plain's flat position at the Yuan River mouth, with vehicle traffic on surrounding expressways and the tobacco, chemical, and manufacturing corridor contributing local sources. The Dongting Lake provides limited waterway ventilation, while winter coal heating under flat plain inversions generates elevated PM2.5 and the regional Hunan industrial background maintains moderate provincial readings throughout the year.
Today - 16 July | Pollution peaks at 16:00
AQI:
Poor
64.8/100
PM2.5 (fine particles):
Good
15.9/100
PM10 (coarse particles):
Good
4.2/100
NO2 (nitrogen dioxide):
Fair
33.2/100
O3 (ozone):
Poor
64.8/100
SO2 (sulfur dioxide):
Good
15.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
16.4/100
PM1 (ultrafine particles):
Fair
21.9/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 17:00
AQI:
Medium
45.7/100
PM2.5 (fine particles):
Good
10.4/100
PM10 (coarse particles):
Good
2.7/100
NO2 (nitrogen dioxide):
Fair
30.7/100
O3 (ozone):
Medium
45.7/100
SO2 (sulfur dioxide):
Good
13.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
18.6/100
PM1 (ultrafine particles):
Good
15.1/100
Frequently Asked Questions
Is air quality bad in Changde right now?
On 16 July 2026, overall air quality in Changde is poor. AQI is the main air quality indicator at 64.8/100. Pollution peaks around 4:00 PM (O3: 64.8/100).
Will air quality be worse tomorrow in Changde?
On 17 July 2026, air quality conditions in Changde will be better than today, with NO2 forecast at fair at 30.7/100. Pollution peaks around 5:00 PM (O3: 45.7/100).
When is air pollution at its worst in Changde?
In Changde, traffic emissions, heavy industrial and chemical processing, as well as manufacturing activity are the main local sources, with conditions worsening when dry spells bring strong winds. Strong seasonal winds can lift dust from the surrounding dry terrain and push particulate levels sharply higher. Coal and wood used for winter heating add substantially to particulate levels.
Are air quality levels in Changde 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