Worst air pollution Guiyang, today and tomorrow
Today (16 July): Air quality in Guiyang is fair. PM1 is fair; AQI and O3 are medium; PM2.5, PM10, NO2, SO2, CO, and HCHO are good. Pollution peaks around 1:00 PM (O3: 59.2/100).
Tomorrow (17 July 2026): Air quality in Guiyang is medium. PM1 decreases to good; all other pollutants stay as today. Pollution peaks around 12:00 PM (O3: 56.7/100). 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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Guiyang's air quality reflects the Guizhou Plateau's Nanming River basin at 1,071 metres, with vehicle traffic on surrounding expressways and the aluminium smelting, pharmaceutical, and manufacturing corridor contributing local sources. The elevated plateau position aids background dispersal, while winter coal heating and the surrounding Guizhou karst topography's valley inversions create seasonal concentration and Guiyang generally maintains moderate Guizhou plateau capital readings throughout most of the year.
Today - 16 July | Pollution peaks at 13:00
AQI:
Medium
59.2/100
PM2.5 (fine particles):
Good
15.8/100
PM10 (coarse particles):
Good
4.2/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Medium
59.2/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
10.4/100
PM1 (ultrafine particles):
Fair
21.8/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 12:00
AQI:
Medium
56.7/100
PM2.5 (fine particles):
Good
5.9/100
PM10 (coarse particles):
Good
1.6/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Medium
56.7/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Good
10.1/100
PM1 (ultrafine particles):
Good
8.6/100
Frequently Asked Questions
Is air quality bad in Guiyang right now?
On 16 July 2026, overall air quality in Guiyang is fair. PM1 is the main pollutant at 21.8/100. Pollution peaks around 1:00 PM (O3: 59.2/100).
Will air quality be worse tomorrow in Guiyang?
On 17 July 2026, air quality conditions in Guiyang will be better than today, with AQI forecast at medium at 56.7/100. Pollution peaks around 12:00 PM (O3: 56.7/100).
When is air pollution at its worst in Guiyang?
Pollution in Guiyang typically rises when road traffic as well as light manufacturing 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. Residential heating through the colder months is a major seasonal source of particulates.
Are air quality levels in Guiyang 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