Worst air pollution Cambria, today and tomorrow

Today (20 September): Air quality in Cambria is fair. AQI, PM2.5, PM10, NO2, and O3 are fair; SO2, CO, HCHO, and PM1 are good. Pollution peaks around 4:00 AM (PM10: 37.8/100).
Tomorrow (21 September 2026): Air quality in Cambria is moderate. AQI worsens to moderate; NO2 increases to moderate; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 4:00 PM (NO2: 56.5/100). 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 Cambria, cool Central Coast marine air is the main influence on air quality, and onshore breeze keeps air quality consistently good. Most days bring generally favorable conditions here, with occasional exceptions tied to shifting weather patterns. Local topography and prevailing winds both play a role in how quickly conditions change.

Today - 20 September | Pollution peaks at 04:00

AQI:

Fair

37.8/100

PM2.5 (fine particles):

Fair

31.2/100

PM10 (coarse particles):

Fair

37.8/100

NO2 (nitrogen dioxide):

Fair

35.0/100

O3 (ozone):

Fair

32.7/100

SO2 (sulfur dioxide):

Good

1.6/100

CO (carbon monoxide):

Good

0.6/100

HCHO (formaldehyde):

Good

3.1/100

PM1 (ultrafine particles):

Good

12.7/100

Levels show the poorest local air quality during the day

Tomorrow - 21 September | Pollution peaks at 16:00

AQI:

Moderate

56.5/100

PM2.5 (fine particles):

Fair

37.6/100

PM10 (coarse particles):

Fair

23.6/100

NO2 (nitrogen dioxide):

Moderate

56.5/100

O3 (ozone):

Fair

37.8/100

SO2 (sulfur dioxide):

Good

3.2/100

CO (carbon monoxide):

Good

0.6/100

HCHO (formaldehyde):

Good

3.9/100

PM1 (ultrafine particles):

Fair

21.9/100

Pollen forecast in Cambria

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Air quality forecasts for neighbourhoods and landmarks in Cambria

Frequently Asked Questions

Is air quality bad in Cambria right now?

On 20 September 2026, overall air quality in Cambria is fair. AQI is the main air quality indicator at 37.8/100. Pollution peaks around 4:00 AM (PM10: 37.8/100).

Will air quality be worse tomorrow in Cambria?

On 21 September 2026, air quality conditions in Cambria will be worse than today, with AQI forecast at moderate at 56.5/100. Pollution peaks around 4:00 PM (NO2: 56.5/100).

When is air pollution at its worst in Cambria?

Like most US cities, Cambria sees air quality shift from season to season — winter rains provide the only real relief from an otherwise persistent haze, whereas from August into October, wildfire smoke can add sharp particulate spikes on top of the usual summer ozone. The mountains ringing the basin can trap pollution close to the ground for days when winds are calm.

Are air quality levels in Cambria 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 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.

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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