Worst air pollution Dongguan, today and tomorrow
Today (16 July): Air quality in Dongguan is fair. O3, SO2, and PM1 are fair; AQI and NO2 are medium; PM2.5, PM10, CO, and HCHO are good. Pollution peaks around 12:00 AM (NO2: 42.0/100).
Tomorrow (17 July 2026): Air quality in Dongguan is fair. AQI worsens to fair; NO2 increases to fair; SO2 decreases to good; all other pollutants stay as today. Pollution peaks around 4:00 PM (O3: 36.6/100). 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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Dongguan's air quality reflects the Pearl River Delta's flat coastal plain between Guangzhou and Shenzhen, with vehicle traffic on surrounding expressways and the extraordinary electronics and manufacturing corridor generating elevated industrial PM2.5 and NOₓ. Consistent South China Sea trade winds provide maritime ventilation, while the Delta's industrial concentration maintains elevated background and Dongguan generally tracks at moderate to above-average Pearl River Delta manufacturing corridor levels throughout most of the year.
Today - 16 July | Pollution peaks at 00:00
AQI:
Medium
42.0/100
PM2.5 (fine particles):
Good
17.7/100
PM10 (coarse particles):
Good
5.2/100
NO2 (nitrogen dioxide):
Medium
42.0/100
O3 (ozone):
Fair
35.6/100
SO2 (sulfur dioxide):
Fair
20.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.5/100
PM1 (ultrafine particles):
Fair
22.3/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 16:00
AQI:
Fair
36.6/100
PM2.5 (fine particles):
Good
16.7/100
PM10 (coarse particles):
Good
5.2/100
NO2 (nitrogen dioxide):
Fair
29.3/100
O3 (ozone):
Fair
36.6/100
SO2 (sulfur dioxide):
Good
7.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.1/100
PM1 (ultrafine particles):
Fair
20.9/100
Frequently Asked Questions
Is air quality bad in Dongguan right now?
On 16 July 2026, overall air quality in Dongguan is fair. O3 is the main pollutant at 35.6/100. Pollution peaks around 12:00 AM (NO2: 42.0/100).
Will air quality be worse tomorrow in Dongguan?
On 17 July 2026, air quality conditions in Dongguan will be similar to today, with AQI forecast at fair at 36.6/100. Pollution peaks around 4:00 PM (O3: 36.6/100).
When is air pollution at its worst in Dongguan?
In Dongguan, vehicle traffic and light manufacturing are the main local sources, with conditions worsening when windblown dust events occur. Strong seasonal winds can lift dust from the surrounding dry terrain and push particulate levels sharply higher. Sea breezes typically keep conditions in check, except during still weather.
Are air quality levels in Dongguan 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