Worst air pollution Havana, today and tomorrow
Today (9 August): Air quality in Havana is poor. AQI and PM10 are poor; O3 is fair; PM2.5 is medium; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 8:00 PM (PM10: 75.8/100).
Tomorrow (10 August 2026): Air quality in Havana is poor. All pollutants stay as today. Pollution peaks around 10:00 PM (PM10: 75.9/100). 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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Havana's air quality reflects the flat Cuban northern Caribbean coastal position on Havana Bay, with vehicle traffic on surrounding roads and the extraordinary ageing Soviet-era vehicle fleet, refinery, and industrial corridor generating elevated PM2.5 and black carbon. Consistent Caribbean northeast trade winds provide maritime ventilation, while the iconic vintage American cars' leaded gasoline legacy and the economic constraints on fleet modernisation create Havana's most distinctive and historically unique local air quality character throughout most of the year.
Today - 9 August | Pollution peaks at 20:00
AQI:
Poor
75.8/100
PM2.5 (fine particles):
Medium
55.4/100
PM10 (coarse particles):
Poor
75.8/100
NO2 (nitrogen dioxide):
Good
0.1/100
O3 (ozone):
Fair
23.2/100
SO2 (sulfur dioxide):
Good
1.4/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.9/100
PM1 (ultrafine particles):
Good
12.0/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 22:00
AQI:
Poor
75.9/100
PM2.5 (fine particles):
Medium
57.5/100
PM10 (coarse particles):
Poor
75.9/100
NO2 (nitrogen dioxide):
Good
0.1/100
O3 (ozone):
Fair
26.7/100
SO2 (sulfur dioxide):
Good
4.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
0.8/100
PM1 (ultrafine particles):
Good
16.2/100
Frequently Asked Questions
Is air quality bad in Havana right now?
On 9 August 2026, overall air quality in Havana is poor. AQI is the main air quality indicator at 75.8/100. Pollution peaks around 8:00 PM (PM10: 75.8/100).
Will air quality be worse tomorrow in Havana?
On 10 August 2026, air quality conditions in Havana will be similar to today, with AQI forecast at poor at 75.9/100. Pollution peaks around 10:00 PM (PM10: 75.9/100).
When is air pollution at its worst in Havana?
The biggest local contributors to pollution in Havana are vehicle traffic and heavy industry such as steel, cement, or petrochemical processing, particularly once dry spells bring strong winds. Strong seasonal winds can lift dust from the surrounding dry terrain and push particulate levels sharply higher. Maritime airflow normally ventilates the area well, though calmer spells let levels rise.
Are air quality levels in Havana 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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