Worst air pollution Santa Monica Pier - Los Angeles, today and tomorrow
Today (9 August): Air quality in Santa Monica Pier is fair. AQI, PM2.5, PM10, and O3 are fair; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 6:00 PM (PM10: 28.9/100).
Tomorrow (10 August 2026): Air quality in Santa Monica Pier is fair. PM2.5 decreases to good; PM10 decreases to good; all other pollutants stay as today. Pollution peaks around 10:00 AM (O3: 23.8/100). 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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Los Angeles' Santa Monica Pier air quality benefits from the direct Pacific Ocean coastal position, with consistent onshore sea breezes providing reliable maritime ventilation along the iconic Santa Monica beachfront. Vehicle traffic on Lincoln Boulevard and the pier's tourist operations contribute local sources, while the Pacific coastal exposure provides significantly better conditions than the deeper Los Angeles basin and the Santa Monica Bay's open geometry ensures reliable afternoon ventilation throughout most of the year.
Today - 9 August | Pollution peaks at 18:00
AQI:
Fair
28.9/100
PM2.5 (fine particles):
Fair
21.0/100
PM10 (coarse particles):
Fair
28.9/100
NO2 (nitrogen dioxide):
Good
0.7/100
O3 (ozone):
Fair
24.1/100
SO2 (sulfur dioxide):
Good
1.1/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
1.4/100
PM1 (ultrafine particles):
Good
5.8/100
Levels show the poorest local air quality during the day
Tomorrow - 10 August | Pollution peaks at 10:00
AQI:
Fair
23.8/100
PM2.5 (fine particles):
Good
13.4/100
PM10 (coarse particles):
Good
14.4/100
NO2 (nitrogen dioxide):
Good
1.4/100
O3 (ozone):
Fair
23.8/100
SO2 (sulfur dioxide):
Good
1.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
2.4/100
PM1 (ultrafine particles):
Good
6.0/100
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Frequently Asked Questions
Is air quality bad in Santa Monica Pier right now?
On 9 August 2026, overall air quality in Santa Monica Pier is fair. AQI is the main air quality indicator at 28.9/100. Pollution peaks around 6:00 PM (PM10: 28.9/100).
Will air quality be worse tomorrow in Santa Monica Pier?
On 10 August 2026, air quality conditions in Santa Monica Pier will be similar to today, with AQI forecast at fair at 23.8/100. Pollution peaks around 10:00 AM (O3: 23.8/100).
When is air pollution at its worst in Santa Monica Pier?
Like the rest of Los Angeles, Santa Monica Pier sees air quality change through the year. Typically, winter typically brings the cleanest stretch, once occasional rain clears the basin, while summer sunshine and heat drive some of the worst ozone readings in the country. Coastal breezes offer some relief compared to inland valley locations that see heavier smog buildup.
Are air quality levels in Santa Monica Pier 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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