Worst air pollution Bastia, today and tomorrow
Today (9 August): Air quality in Bastia is very poor. AQI and NO2 are very poor; PM2.5, SO2, and PM1 are fair; O3 is medium; PM10, CO, and HCHO are good. Pollution peaks around 8:00 PM (NO2: 82.8/100).
Tomorrow (10 August 2026): Air quality in Bastia is poor. AQI improves to poor; NO2 decreases to medium; O3 increases to poor; all other pollutants stay as today. Pollution peaks around 3:00 PM (O3: 63.2/100). Airmine updates local air quality forecasts four times daily.
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Bastia's air quality is shaped mainly by seasonal tourism traffic, with its position near the Gravona playing a role, though coastal sea breezes ventilate the island reliably, which usually keeps pollution from accumulating for long. Summer sees the heaviest traffic from tourism, though reliable sea breezes generally prevent serious build-up; winter is the cleanest season with light traffic and steady ventilation.
Today - 9 August | Pollution peaks at 20:00
AQI:
Very poor
82.8/100
PM2.5 (fine particles):
Fair
35.2/100
PM10 (coarse particles):
Good
14.0/100
NO2 (nitrogen dioxide):
Very poor
82.8/100
O3 (ozone):
Medium
57.4/100
SO2 (sulfur dioxide):
Fair
36.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.7/100
PM1 (ultrafine particles):
Fair
27.1/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 15:00
AQI:
Poor
63.2/100
PM2.5 (fine particles):
Fair
34.5/100
PM10 (coarse particles):
Good
13.5/100
NO2 (nitrogen dioxide):
Medium
53.0/100
O3 (ozone):
Poor
63.2/100
SO2 (sulfur dioxide):
Fair
27.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
13.2/100
PM1 (ultrafine particles):
Fair
27.1/100
Pollen forecast in Bastia
View pollen forecastFrequently Asked Questions
Is air quality bad in Bastia right now?
On 9 August 2026, overall air quality in Bastia is very poor. AQI is the main air quality indicator at 82.8/100. Pollution peaks around 8:00 PM (NO2: 82.8/100).
Will air quality be worse tomorrow in Bastia?
On 10 August 2026, air quality conditions in Bastia will be better than today, with AQI forecast at poor at 63.2/100. Pollution peaks around 3:00 PM (O3: 63.2/100).
When is air pollution at its worst in Bastia?
In Bastia, the worst combined pollen and air quality days tend to come when seasonal tourism traffic coincide with the peak pine and chestnut pollen season in spring; coastal sea breezes ventilate the island reliably, so conditions usually improve within a day or two. Nearby Corsican maquis scrubland and terraced farmland add a further seasonal factor.
Are air quality levels in Bastia 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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