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Key West, Florida live air quality index now

Stay updated with real-time air quality in Key West, Florida featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.

Live AQI (Air Quality Index)

38

Good

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Key West, Florida

Last updated: ... (Local time)

Major air pollutants in Key West, Florida

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter2.5 (PM2.5)

7.28 μg/m³

0

12.1

35.5

55.5

250.5

500.5+

Particulate Matter10 (PM10)

32.00 μg/m³

0

55

155

255

425

605+

Ozone (O3)

26.28 ppb

0

55

71

86

201

201+

Sulfur Dioxide (SO2)

0.16 ppb

0

36

76

186

605

1005+

Nitrogen Dioxide (NO2)

0.13 ppb

0

54

101

361

1250

2050+

Carbon Monoxide (CO)

0.09 ppm

0

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Key West, Florida air quality map: Track AQI near you




How accurate is Florida, USA air quality data?

Air quality data and pollutant measurements for Florida, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.


Frequently asked questions

How often is the air quality data for Key West, Florida updated?

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The air quality for Key West, Florida is updated every hour.


When was the worst air quality at Key West, Florida in the last 24 hrs?

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The worst air quality in Key West, Florida in the last 24 hours was observed at 04:00:00 on 2025-07-30.


When was the best air quality at Key West, Florida in the last 24 hrs?

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In the last 24 hrs, the best air quality in Key West, Florida was observed at 08:00:00 on 2025-07-29.


What is the current air quality in Key West, Florida?

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The current air quality in Key West, Florida is 38, categorized as Good based on real-time data.


What pollutant is the most common in Key West, Florida?

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The most common pollutant in Key West, Florida is PM2.5.


What should I do if the air quality in Key West, Florida is poor?

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If the air quality in Key West, Florida is poor, consider staying indoors and wearing a mask to protect yourself.


What is the current concentration of PM2.5 in Key West, Florida?

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The current PM2.5 concentration at Key West, Florida is 7.158 μg/m3.


What is the current concentration of PM10 in Key West, Florida?

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The current PM10 concentration at Key West, Florida is 31.998 μg/m3.


What is the current concentration of carbon monoxide (CO) in Key West, Florida?

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The current carbon monoxide (CO) concentration at Key West, Florida is 0.087 ppm.


What is the current concentration of sulfur dioxide (SO2) in Key West, Florida?

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The current sulfur dioxide (SO2) concentration at Key West, Florida is 0.158 ppb.


What is the current concentration of ozone (O3) in Key West, Florida?

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The current ozone (O3) concentration at Key West, Florida is 26.382 ppm.


What is the current concentration of nitrogen dioxide (NO2) in Key West, Florida?

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The current nitrogen dioxide (NO2) concentration at Key West, Florida is 0.153 ppb.


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