Worst air pollution Deerfield Beach, today and tomorrow

Today (20 September): Air quality in Deerfield Beach is poor. AQI and PM10 are poor; PM2.5 is moderate; NO2, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 11:00 AM (PM10: 72.3/100).
Tomorrow (21 September 2026): Air quality in Deerfield Beach is very poor. AQI worsens to very poor; PM2.5 increases to very poor; PM10 increases to very poor; all other pollutants stay as today. Pollution peaks around 7:00 PM (PM10: 100/100). 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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Deerfield Beach's air quality benefits from Broward County's direct Atlantic coastal position, with consistent sea breezes providing reliable maritime ventilation along this South Florida Gold Coast community. Vehicle emissions from I-95 and the surrounding mixed residential and commercial character are the primary local sources, while summer ozone from intense subtropical heat and the broader Miami-Fort Lauderdale metropolitan traffic is the primary warm-season concern.

Today - 20 September | Pollution peaks at 11:00

AQI:

Poor

72.3/100

PM2.5 (fine particles):

Moderate

45.0/100

PM10 (coarse particles):

Poor

72.3/100

NO2 (nitrogen dioxide):

Good

2.5/100

O3 (ozone):

Good

9.9/100

SO2 (sulfur dioxide):

Good

0.3/100

CO (carbon monoxide):

Good

0.4/100

HCHO (formaldehyde):

Good

0.9/100

PM1 (ultrafine particles):

Good

5.8/100

Levels show the poorest local air quality during the day

Tomorrow - 21 September | Pollution peaks at 19:00

AQI:

Very poor

100/100

PM2.5 (fine particles):

Very poor

91.5/100

PM10 (coarse particles):

Very poor

100/100

NO2 (nitrogen dioxide):

Good

1.1/100

O3 (ozone):

Good

10.8/100

SO2 (sulfur dioxide):

Good

0.2/100

CO (carbon monoxide):

Good

0.4/100

HCHO (formaldehyde):

Good

1.4/100

PM1 (ultrafine particles):

Good

18.5/100

Pollen forecast in Deerfield Beach

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Air quality forecasts for neighbourhoods and landmarks in Deerfield Beach

Frequently Asked Questions

Is air quality bad in Deerfield Beach right now?

On 20 September 2026, overall air quality in Deerfield Beach is poor. AQI is the main air quality indicator at 72.3/100. Pollution peaks around 11:00 AM (PM10: 72.3/100).

Will air quality be worse tomorrow in Deerfield Beach?

On 21 September 2026, air quality conditions in Deerfield Beach will be worse than today, with AQI forecast at very poor at 100/100. Pollution peaks around 7:00 PM (PM10: 100/100).

When is air pollution at its worst in Deerfield Beach?

Deerfield Beach follows a fairly predictable seasonal air quality pattern. Typically, the wetter summer months often see cleaner air, as frequent afternoon storms wash pollution out quickly, while wildfire and prescribed-burn smoke are most common in the drier months from autumn through spring. Inland areas tend to see more smoke buildup than locations closer to the coast.

Are air quality levels in Deerfield Beach 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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