Worst air pollution Tiburon, today and tomorrow
Today (20 September): Air quality in Tiburon is poor. AQI and O3 are poor; PM10 is fair; PM2.5, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 PM (O3: 62.6/100).
Tomorrow (21 September 2026): Air quality in Tiburon is poor. PM2.5 increases to fair; all other pollutants stay as today. Pollution peaks around 3:00 AM (O3: 64.2/100). 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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In Tiburon, with less congestion here, dust from surrounding fields and occasional burning plays a bigger role than traffic. Nearby trees help trap a portion of this particulate load before it spreads. Broader regional monitoring generally reflects this same baseline, with small local variation. Daily conditions can shift noticeably depending on wind, temperature, and traffic patterns.
Today - 20 September | Pollution peaks at 23:00
AQI:
Poor
62.6/100
PM2.5 (fine particles):
Good
18.8/100
PM10 (coarse particles):
Fair
20.2/100
NO2 (nitrogen dioxide):
Good
2.8/100
O3 (ozone):
Poor
62.6/100
SO2 (sulfur dioxide):
Good
0.6/100
CO (carbon monoxide):
Good
0.5/100
HCHO (formaldehyde):
Good
1.6/100
PM1 (ultrafine particles):
Good
6.6/100
Levels show the poorest local air quality during the day
Tomorrow - 21 September | Pollution peaks at 03:00
AQI:
Poor
64.2/100
PM2.5 (fine particles):
Fair
21.5/100
PM10 (coarse particles):
Fair
21.7/100
NO2 (nitrogen dioxide):
Good
2.6/100
O3 (ozone):
Poor
64.2/100
SO2 (sulfur dioxide):
Good
0.7/100
CO (carbon monoxide):
Good
0.5/100
HCHO (formaldehyde):
Good
1.7/100
PM1 (ultrafine particles):
Good
9.0/100
Pollen forecast in Tiburon
View pollen forecastAir quality forecasts for neighbourhoods and landmarks in Tiburon
Frequently Asked Questions
Is air quality bad in Tiburon right now?
On 20 September 2026, overall air quality in Tiburon is poor. AQI is the main air quality indicator at 62.6/100. Pollution peaks around 11:00 PM (O3: 62.6/100).
Will air quality be worse tomorrow in Tiburon?
On 21 September 2026, air quality conditions in Tiburon will be similar to today, with AQI forecast at poor at 64.2/100. Pollution peaks around 3:00 AM (O3: 64.2/100).
When is air pollution at its worst in Tiburon?
From November to January, average wind speeds run around 12 km/h with temperatures near 11°C, calm and cool enough to let particulate matter and smoke build up near the ground rather than disperse. From July to September, temperatures average around 18°C, warm enough for strong sun and heat to drive ground-level ozone formation.
Are air quality levels in Tiburon 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: 20 September 2026 at 14:33 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.
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.
Some text on this page may be generated or summarised using artificial intelligence (AI). Wherever possible, AI-generated content is enriched with Airmine's proprietary data to improve its accuracy and relevance. However, AI-generated content may still contain errors, omissions, or inaccuracies.
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