Worst air pollution Monterey Bay Aquarium - Monterey, today and tomorrow
Today (9 August): Air quality in Monterey Bay Aquarium is fair. AQI and O3 are fair; PM2.5, PM10, NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 AM (O3: 35.3/100).
Tomorrow (10 August 2026): Air quality in Monterey Bay Aquarium is medium. AQI improves to medium; O3 decreases to medium; all other pollutants stay as today. Pollution peaks around 8:00 AM (O3: 40.3/100). 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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Monterey Bay Aquarium's air quality benefits from its exceptional Pacific Ocean Cannery Row coastal position, with consistent Pacific sea breezes and marine layer providing outstanding maritime ventilation. Vehicle traffic on Cannery Row contributes modest seasonal local sources, while the extraordinary Pacific coastal exposure and the Monterey Bay's open ocean geometry generally maintain the aquarium among California's most reliably ventilated major marine cultural institutions throughout most of the year.
Today - 9 August | Pollution peaks at 07:00
AQI:
Fair
35.3/100
PM2.5 (fine particles):
Good
14.6/100
PM10 (coarse particles):
Good
5.5/100
NO2 (nitrogen dioxide):
Good
5.4/100
O3 (ozone):
Fair
35.3/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.2/100
PM1 (ultrafine particles):
Good
9.7/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 08:00
AQI:
Medium
40.3/100
PM2.5 (fine particles):
Good
17.4/100
PM10 (coarse particles):
Good
6.9/100
NO2 (nitrogen dioxide):
Good
5.4/100
O3 (ozone):
Medium
40.3/100
SO2 (sulfur dioxide):
Good
1.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.2/100
PM1 (ultrafine particles):
Good
11.5/100
Other Landmarks in Monterey
Sports venues in Monterey
Frequently Asked Questions
Is air quality bad in Monterey Bay Aquarium right now?
On 9 August 2026, overall air quality in Monterey Bay Aquarium is fair. AQI is the main air quality indicator at 35.3/100. Pollution peaks around 7:00 AM (O3: 35.3/100).
Will air quality be worse tomorrow in Monterey Bay Aquarium?
On 10 August 2026, air quality conditions in Monterey Bay Aquarium will be better than today, with AQI forecast at medium at 40.3/100. Pollution peaks around 8:00 AM (O3: 40.3/100).
When is air pollution at its worst in Monterey Bay Aquarium?
Air quality at Monterey Bay Aquarium shifts across the year: winter typically brings the cleanest stretch, once occasional rain clears the basin, but summer and early autumn bring the highest ozone levels, and wildfire smoke can spike particulate readings sharply from August through October. Coastal breezes offer some relief compared to inland valley locations that see heavier smog buildup.
Are air quality levels in Monterey Bay Aquarium 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: 10 August 2026 at 02:34 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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