Worst air pollution Casa Encantada - Los Angeles, today and tomorrow

Today (20 September): Air quality in Casa Encantada is moderate. AQI and PM10 are moderate; PM2.5 and O3 are fair; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 9:00 AM (PM10: 42.1/100).
Tomorrow (21 September 2026): Air quality in Casa Encantada is fair. AQI improves to fair; PM10 decreases to fair; all other pollutants stay as today. Pollution peaks around 8:00 AM (PM10: 29.6/100). Airmine updates local air quality forecasts four times daily.

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In Casa Encantada, frequent traffic and tightly built urban surroundings are the dominant factors behind local particulate levels. Some of this load is absorbed by nearby vegetation, acting as a modest natural filter. The surrounding area tends to follow a similar pattern, with only minor local variation. Wind patterns on any given day can shift this picture meaningfully in either direction.

Today - 20 September | Pollution peaks at 09:00

AQI:

Moderate

42.1/100

PM2.5 (fine particles):

Fair

31.6/100

PM10 (coarse particles):

Moderate

42.1/100

NO2 (nitrogen dioxide):

Good

14.6/100

O3 (ozone):

Fair

23.4/100

SO2 (sulfur dioxide):

Good

0.3/100

CO (carbon monoxide):

Good

0.4/100

HCHO (formaldehyde):

Good

1.1/100

PM1 (ultrafine particles):

Good

2.4/100

Levels show the poorest local air quality during the day

Tomorrow - 21 September | Pollution peaks at 08:00

AQI:

Fair

29.6/100

PM2.5 (fine particles):

Fair

27.6/100

PM10 (coarse particles):

Fair

29.6/100

NO2 (nitrogen dioxide):

Good

11.0/100

O3 (ozone):

Fair

28.8/100

SO2 (sulfur dioxide):

Good

0.7/100

CO (carbon monoxide):

Good

0.5/100

HCHO (formaldehyde):

Good

1.9/100

PM1 (ultrafine particles):

Good

3.5/100

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Edelman Hollywood Bowl Museum Egyptian Theater El Capitan Theatre El Pueblo de Los Angeles Historical Monument El Sereno Elysian Park Elysian Valley Encino Ennis House Exposition Park Fairfax Fashion District FIDM Museum And Galleries Financial District Fine Arts Building First Church of Christ, Scientist Flight Path Museum LAX Florence Flower District Fort MacArthur Museum Fort Moore Pioneer Memorial Fowler Museum Gallery at REDCAT Gallery Row George C. 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Bel-Air Country Club Los Angeles Country Club – North Course Riviera Country Club – Championship Course

Frequently Asked Questions

Is air quality bad in Casa Encantada right now?

On 20 September 2026, overall air quality in Casa Encantada is moderate. AQI is the main air quality indicator at 42.1/100. Pollution peaks around 9:00 AM (PM10: 42.1/100).

Will air quality be worse tomorrow in Casa Encantada?

On 21 September 2026, air quality conditions in Casa Encantada will be better than today, with AQI forecast at fair at 29.6/100. Pollution peaks around 8:00 AM (PM10: 29.6/100).

When is air pollution at its worst in Casa Encantada?

From April to June, average wind speeds run around 11 km/h with temperatures near 17°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 22°C, warm enough for strong sun and heat to drive ground-level ozone formation.

Are air quality levels in Casa Encantada 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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