Worst air pollution La Loma Park - Berkeley, today and tomorrow

Today (20 September): Air quality in La Loma Park is fair. AQI, PM2.5, PM10, and O3 are fair; NO2, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 10:00 AM (PM2.5: 24.9/100).
Tomorrow (21 September 2026): Air quality in La Loma Park is fair. All pollutants stay as today. Pollution peaks around 8:00 AM (PM2.5: 28.5/100). 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 La Loma Park, lighter traffic and surrounding agricultural land make wind-blown dust and seasonal field activity bigger factors than congestion. Trees and green space nearby provide a partial buffer, catching particulate matter before it spreads further. Day-to-day readings still shift with wind direction, traffic volume, and weather conditions. Local monitoring for the wider area tends to track closely with this general pattern.

Today - 20 September | Pollution peaks at 10:00

AQI:

Fair

24.9/100

PM2.5 (fine particles):

Fair

24.9/100

PM10 (coarse particles):

Fair

20.2/100

NO2 (nitrogen dioxide):

Good

4.8/100

O3 (ozone):

Fair

24.8/100

SO2 (sulfur dioxide):

Good

0.6/100

CO (carbon monoxide):

Good

0.5/100

HCHO (formaldehyde):

Good

1.6/100

PM1 (ultrafine particles):

Good

8.1/100

Levels show the poorest local air quality during the day

Tomorrow - 21 September | Pollution peaks at 08:00

AQI:

Fair

28.5/100

PM2.5 (fine particles):

Fair

28.5/100

PM10 (coarse particles):

Fair

21.7/100

NO2 (nitrogen dioxide):

Good

4.5/100

O3 (ozone):

Fair

25.7/100

SO2 (sulfur dioxide):

Good

0.7/100

CO (carbon monoxide):

Good

0.5/100

HCHO (formaldehyde):

Good

1.7/100

PM1 (ultrafine particles):

Good

11.1/100

Other Landmarks in Berkeley

Frequently Asked Questions

Is air quality bad in La Loma Park right now?

On 20 September 2026, overall air quality in La Loma Park is fair. AQI is the main air quality indicator at 24.9/100. Pollution peaks around 10:00 AM (PM2.5: 24.9/100).

Will air quality be worse tomorrow in La Loma Park?

On 21 September 2026, air quality conditions in La Loma Park will be similar to today, with AQI forecast at fair at 28.5/100. Pollution peaks around 8:00 AM (PM2.5: 28.5/100).

When is air pollution at its worst in La Loma Park?

From November to January, average wind speeds run around 12 km/h with temperatures near 11°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 18°C, warm enough for strong sun and heat to drive ground-level ozone formation.

Are air quality levels in La Loma Park 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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