Worst air pollution Ensenada, today and tomorrow

Today (9 August): Air quality in Ensenada is fair. AQI, PM2.5, PM10, and O3 are fair; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 7:00 PM (PM10: 31.9/100).
Tomorrow (10 August 2026): Air quality in Ensenada is fair. All pollutants stay as today. Pollution peaks around 8:00 AM (PM10: 21.4/100). 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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Ensenada's air quality benefits from its exceptional Pacific Ocean and Bahia de Todos Santos coastal position in Baja California, with consistent Pacific maritime breezes providing reliable ventilation. Vehicle traffic on surrounding roads and the wine, fishing port, and tourism corridor contribute modest local sources, while the outstanding Pacific coastal exposure and the dramatic Baja California mountains inland generally maintain Ensenada among northwestern Mexico's more reliably clean coastal city environments throughout most of the year.

Today - 9 August | Pollution peaks at 19:00

AQI:

Fair

31.9/100

PM2.5 (fine particles):

Fair

27.2/100

PM10 (coarse particles):

Fair

31.9/100

NO2 (nitrogen dioxide):

Good

1.4/100

O3 (ozone):

Fair

22.6/100

SO2 (sulfur dioxide):

Good

1.9/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

0.9/100

PM1 (ultrafine particles):

Good

6.7/100

Levels show the poorest local air quality during the day

Tomorrow - 10 August | Pollution peaks at 08:00

AQI:

Fair

21.4/100

PM2.5 (fine particles):

Fair

20.3/100

PM10 (coarse particles):

Fair

21.4/100

NO2 (nitrogen dioxide):

Good

2.5/100

O3 (ozone):

Fair

20.6/100

SO2 (sulfur dioxide):

Good

1.6/100

CO (carbon monoxide):

Good

0.0/100

HCHO (formaldehyde):

Good

1.1/100

PM1 (ultrafine particles):

Good

6.9/100

Frequently Asked Questions

Is air quality bad in Ensenada right now?

On 9 August 2026, overall air quality in Ensenada is fair. AQI is the main air quality indicator at 31.9/100. Pollution peaks around 7:00 PM (PM10: 31.9/100).

Will air quality be worse tomorrow in Ensenada?

On 10 August 2026, air quality conditions in Ensenada will be similar to today, with AQI forecast at fair at 21.4/100. Pollution peaks around 8:00 AM (PM10: 21.4/100).

When is air pollution at its worst in Ensenada?

Pollution in Ensenada typically rises when road traffic, port and shipping activity, along with tourism-related traffic combine, especially once maritime winds die down. Onshore breezes usually help clear the air, but pollution can build up when winds are light. Areas further inland without this ventilation tend to fare worse.

Are air quality levels in Ensenada 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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