Worst air pollution Asmara, today and tomorrow
Today (9 August): Air quality in Asmara is fair. AQI, O3, and HCHO are fair; PM2.5, PM10, NO2, SO2, CO, and PM1 are good. Pollution peaks around 11:00 AM (O3: 25.5/100).
Tomorrow (10 August 2026): Air quality in Asmara is fair. All pollutants stay as today. Pollution peaks around 2:00 PM (O3: 25.1/100). 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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Asmara's air quality benefits from its exceptional Eritrean Highland position at 2,325 metres — one of Africa's highest capitals — with consistent northeast monsoon and highland breezes providing reliable natural ventilation. Vehicle traffic on surrounding roads and the government, manufacturing, and services corridor contribute modest local sources, while the extraordinary elevated highland position above most regional pollution sources and the outstanding Eritrean plateau climate generally maintain Asmara among Africa's more moderately ventilated highland capital environments throughout most of the year.
Today - 9 August | Pollution peaks at 11:00
AQI:
Fair
25.5/100
PM2.5 (fine particles):
Good
9.4/100
PM10 (coarse particles):
Good
8.2/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
25.5/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Fair
21.0/100
PM1 (ultrafine particles):
Good
5.3/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 14:00
AQI:
Fair
25.1/100
PM2.5 (fine particles):
Good
15.1/100
PM10 (coarse particles):
Good
13.8/100
NO2 (nitrogen dioxide):
Good
0/100
O3 (ozone):
Fair
25.1/100
SO2 (sulfur dioxide):
Good
0/100
CO (carbon monoxide):
Good
0/100
HCHO (formaldehyde):
Fair
24.7/100
PM1 (ultrafine particles):
Good
7.2/100
Frequently Asked Questions
Is air quality bad in Asmara right now?
On 9 August 2026, overall air quality in Asmara is fair. AQI is the main air quality indicator at 25.5/100. Pollution peaks around 11:00 AM (O3: 25.5/100).
Will air quality be worse tomorrow in Asmara?
On 10 August 2026, air quality conditions in Asmara will be similar to today, with AQI forecast at fair at 25.1/100. Pollution peaks around 2:00 PM (O3: 25.1/100).
When is air pollution at its worst in Asmara?
The biggest local contributors to pollution in Asmara are traffic on the surrounding roads and light manufacturing, particularly once conditions turn dry between monsoons. The wet season generally clears the air, while the dry season lets levels build back up. The driest months of the year tend to see the highest readings.
Are air quality levels in Asmara 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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