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

The current PM10 concentration at Key West, Florida is 8.999 μg/m3.

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

The current sulfur dioxide (SO2) concentration at Key West, Florida is 0.096 ppb.

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

The current ozone (O3) concentration at Key West, Florida is 27.38 ppm.

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

The current nitrogen dioxide (NO2) concentration at Key West, Florida is 0.271 ppb.

Live air quality index in Key West, Florida today

Name: Live air pollution levels in Key West, Florida today
Creator: Ambee

Stay updated with real-time air quality in Key West, Florida featuring accurate data on AQI, PM_2.5, 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)

Good

Key West, Florida

Last updated: ... (Local time)

Major air pollutants in Key West, Florida

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

6.97 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

31.00 μg/m³

155

255

425

605+

Ozone (O₃)

28.42 ppb

201

201+

Sulfur Dioxide (SO₂)

0.13 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

0.11 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.09 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Key West, Florida

Scroll To Air Quality Map

Track live Key West, Florida air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-07-09T19:00:00.000Z	30 \| good	2.204 \| good	8.996 \| good	32.294 \| good	0.242 \| good	0.23 \| good	0.098 \| good
2025-07-09T20:00:00.000Z	30 \| good	2.461 \| good	9.997 \| good	31.873 \| good	0.226 \| good	0.208 \| good	0.096 \| good
2025-07-09T21:00:00.000Z	30 \| good	2.123 \| good	8.999 \| good	32.21 \| good	0.21 \| good	0.186 \| good	0.094 \| good
2025-07-09T22:00:00.000Z	30 \| good	2.401 \| good	10 \| good	31.599 \| good	0.199 \| good	0.217 \| good	0.093 \| good
2025-07-09T23:00:00.000Z	29 \| good	2.52 \| good	10.001 \| good	30.953 \| good	0.094 \| good	0.225 \| good	0.086 \| good
2025-07-10T00:00:00.000Z	25 \| good	3.041 \| good	12.005 \| good	27.234 \| good	0.084 \| good	0.252 \| good	0.085 \| good
2025-07-10T01:00:00.000Z	22 \| good	3.301 \| good	15.004 \| good	23.905 \| good	0.087 \| good	0.258 \| good	0.085 \| good
2025-07-10T02:00:00.000Z	22 \| good	4.431 \| good	19.005 \| good	22.211 \| good	0.091 \| good	0.263 \| good	0.085 \| good
2025-07-10T03:00:00.000Z	27 \| good	5.005 \| good	22.002 \| good	20.84 \| good	0.095 \| good	0.269 \| good	0.085 \| good
2025-07-10T04:00:00.000Z	27 \| good	5.173 \| good	22.002 \| good	19.707 \| good	0.094 \| good	0.277 \| good	0.085 \| good
2025-07-10T05:00:00.000Z	27 \| good	4.921 \| good	21.001 \| good	17.892 \| good	0.093 \| good	0.286 \| good	0.085 \| good
2025-07-10T06:00:00.000Z	27 \| good	4.533 \| good	20 \| good	17.317 \| good	0.092 \| good	0.295 \| good	0.085 \| good
2025-07-10T07:00:00.000Z	22 \| good	4.176 \| good	18 \| good	15.45 \| good	0.094 \| good	0.297 \| good	0.086 \| good
2025-07-10T08:00:00.000Z	22 \| good	4.011 \| good	17.998 \| good	15.239 \| good	0.096 \| good	0.299 \| good	0.086 \| good
2025-07-10T09:00:00.000Z	16 \| good	3.449 \| good	14.996 \| good	15.77 \| good	0.098 \| good	0.301 \| good	0.087 \| good
2025-07-10T10:00:00.000Z	16 \| good	3.273 \| good	13.995 \| good	16.751 \| good	0.095 \| good	0.295 \| good	0.087 \| good
2025-07-10T11:00:00.000Z	17 \| good	3.42 \| good	14.994 \| good	17.903 \| good	0.113 \| good	0.319 \| good	0.086 \| good
2025-07-10T12:00:00.000Z	18 \| good	3.14 \| good	13.997 \| good	19.282 \| good	0.111 \| good	0.312 \| good	0.087 \| good
2025-07-10T13:00:00.000Z	22 \| good	2.631 \| good	10.998 \| good	24.158 \| good	0.103 \| good	0.292 \| good	0.087 \| good
2025-07-10T14:00:00.000Z	25 \| good	2.185 \| good	8.999 \| good	27.38 \| good	0.096 \| good	0.271 \| good	0.087 \| good
2025-07-10T15:00:00.000Z	27 \| good	2.146 \| good	8.999 \| good	29.3 \| good	0.088 \| good	0.25 \| good	0.087 \| good
2025-07-10T16:00:00.000Z	28 \| good	1.382 \| good	5 \| good	30.221 \| good	0.088 \| good	0.224 \| good	0.086 \| good
2025-07-10T17:00:00.000Z	28 \| good	1.46 \| good	6 \| good	30.067 \| good	0.089 \| good	0.197 \| good	0.085 \| good
2025-07-10T18:00:00.000Z	28 \| good	2.05 \| good	8.003 \| good	29.946 \| good	0.089 \| good	0.171 \| good	0.085 \| good
2025-07-10T19:00:00.000Z	29 \| good	2.68 \| good	11.001 \| good	30.774 \| good	0.085 \| good	0.167 \| good	0.084 \| good
2025-07-10T20:00:00.000Z	28 \| good	3 \| good	12 \| good	29.502 \| good	0.081 \| good	0.162 \| good	0.084 \| good
2025-07-10T21:00:00.000Z	28 \| good	2.881 \| good	12 \| good	29.752 \| good	0.078 \| good	0.158 \| good	0.083 \| good
2025-07-10T22:00:00.000Z	29 \| good	3.281 \| good	14.001 \| good	31.074 \| good	0.072 \| good	0.185 \| good	0.083 \| good
2025-07-10T23:00:00.000Z	30 \| good	3.28 \| good	14.001 \| good	32.47 \| good	0.079 \| good	0.226 \| good	0.083 \| good
2025-07-11T00:00:00.000Z	28 \| good	3.76 \| good	16.001 \| good	29.839 \| good	0.077 \| good	0.259 \| good	0.083 \| good
2025-07-11T01:00:00.000Z	25 \| good	4.161 \| good	18 \| good	27.188 \| good	0.079 \| good	0.266 \| good	0.084 \| good
2025-07-11T02:00:00.000Z	23 \| good	4.16 \| good	17.999 \| good	25.42 \| good	0.081 \| good	0.273 \| good	0.085 \| good
2025-07-11T03:00:00.000Z	22 \| good	3.84 \| good	17 \| good	24.27 \| good	0.083 \| good	0.28 \| good	0.085 \| good
2025-07-11T04:00:00.000Z	22 \| good	3.841 \| good	17.004 \| good	24.42 \| good	0.084 \| good	0.299 \| good	0.087 \| good
2025-07-11T05:00:00.000Z	22 \| good	4.321 \| good	19.004 \| good	23.309 \| good	0.086 \| good	0.319 \| good	0.089 \| good
2025-07-11T06:00:00.000Z	27 \| good	5.28 \| good	23 \| good	22.919 \| good	0.087 \| good	0.338 \| good	0.091 \| good
2025-07-11T07:00:00.000Z	33 \| good	5.601 \| good	24.004 \| good	21.839 \| good	0.085 \| good	0.321 \| good	0.091 \| good
2025-07-11T08:00:00.000Z	33 \| good	6.401 \| good	29.004 \| good	22.109 \| good	0.082 \| good	0.304 \| good	0.092 \| good
2025-07-11T09:00:00.000Z	38 \| good	7.041 \| good	31.002 \| good	22.119 \| good	0.08 \| good	0.287 \| good	0.093 \| good
2025-07-11T10:00:00.000Z	44 \| good	7.68 \| good	34 \| good	22.139 \| good	0.072 \| good	0.266 \| good	0.093 \| good
2025-07-11T11:00:00.000Z	44 \| good	8.321 \| good	37 \| good	23.069 \| good	0.076 \| good	0.291 \| good	0.088 \| good
2025-07-11T12:00:00.000Z	49 \| good	8.64 \| good	38 \| good	24.04 \| good	0.068 \| good	0.279 \| good	0.088 \| good
2025-07-11T13:00:00.000Z	44 \| good	8.32 \| good	36.999 \| good	26.749 \| good	0.071 \| good	0.235 \| good	0.088 \| good
2025-07-11T14:00:00.000Z	44 \| good	8.002 \| good	34.999 \| good	29.419 \| good	0.073 \| good	0.192 \| good	0.088 \| good
2025-07-11T15:00:00.000Z	44 \| good	7.991 \| good	34.999 \| good	30.069 \| good	0.076 \| good	0.148 \| good	0.088 \| good
2025-07-11T16:00:00.000Z	38 \| good	7.412 \| good	33 \| good	29.099 \| good	0.094 \| good	0.134 \| good	0.087 \| good
2025-07-11T17:00:00.000Z	38 \| good	7.21 \| good	32.002 \| good	29.452 \| good	0.111 \| good	0.12 \| good	0.087 \| good
2025-07-11T18:00:00.000Z	38 \| good	6.968 \| good	31 \| good	28.422 \| good	0.129 \| good	0.106 \| good	0.086 \| good
2025-07-11T18:00:00.000Z	38 \| good	6.968 \| good	31 \| good	28.422 \| good	0.129 \| good	0.106 \| good	0.086 \| good
2025-07-10T16:00:00.000Z	28 \| good	1.385 \| good	5.045 \| good	30.22 \| good	0.089 \| good	0.224 \| good	0.086 \| good
2025-07-10T17:00:00.000Z	28 \| good	1.459 \| good	6 \| good	30.076 \| good	0.089 \| good	0.197 \| good	0.085 \| good
2025-07-10T18:00:00.000Z	29 \| good	1.882 \| good	8 \| good	31.236 \| good	0.089 \| good	0.171 \| good	0.085 \| good
2025-07-10T19:00:00.000Z	30 \| good	2.002 \| good	8.014 \| good	31.549 \| good	0.085 \| good	0.166 \| good	0.084 \| good
2025-07-10T20:00:00.000Z	29 \| good	2.48 \| good	10.025 \| good	30.827 \| good	0.081 \| good	0.162 \| good	0.084 \| good
2025-07-10T21:00:00.000Z	29 \| good	2.559 \| good	10.032 \| good	30.671 \| good	0.078 \| good	0.157 \| good	0.083 \| good
2025-07-10T22:00:00.000Z	29 \| good	2.922 \| good	12 \| good	31.489 \| good	0.072 \| good	0.185 \| good	0.083 \| good
2025-07-10T23:00:00.000Z	31 \| good	2.804 \| good	12 \| good	32.89 \| good	0.066 \| good	0.213 \| good	0.083 \| good
2025-07-11T00:00:00.000Z	29 \| good	3.199 \| good	14 \| good	30.948 \| good	0.06 \| good	0.241 \| good	0.083 \| good
2025-07-11T01:00:00.000Z	27 \| good	3.358 \| good	14.962 \| good	29.241 \| good	0.065 \| good	0.251 \| good	0.084 \| good
2025-07-11T02:00:00.000Z	25 \| good	3.677 \| good	16 \| good	27.354 \| good	0.07 \| good	0.262 \| good	0.084 \| good
2025-07-11T03:00:00.000Z	23 \| good	3.48 \| good	15.027 \| good	24.638 \| good	0.075 \| good	0.273 \| good	0.085 \| good
2025-07-11T04:00:00.000Z	22 \| good	3.082 \| good	12.055 \| good	24.053 \| good	0.083 \| good	0.278 \| good	0.087 \| good
2025-07-11T05:00:00.000Z	21 \| good	3.121 \| good	13.929 \| good	23.049 \| good	0.09 \| good	0.282 \| good	0.088 \| good
2025-07-11T06:00:00.000Z	22 \| good	3.999 \| good	17.959 \| good	23.725 \| good	0.098 \| good	0.287 \| good	0.09 \| good
2025-07-11T07:00:00.000Z	27 \| good	5.475 \| good	23.027 \| good	21.698 \| good	0.1 \| good	0.301 \| good	0.091 \| good
2025-07-11T08:00:00.000Z	33 \| good	6.08 \| good	27 \| good	21.31 \| good	0.102 \| good	0.315 \| good	0.092 \| good
2025-07-11T09:00:00.000Z	33 \| good	5.761 \| good	24.972 \| good	21.51 \| good	0.105 \| good	0.33 \| good	0.093 \| good
2025-07-11T10:00:00.000Z	33 \| good	6.24 \| good	27.979 \| good	22.07 \| good	0.097 \| good	0.31 \| good	0.093 \| good
2025-07-11T11:00:00.000Z	38 \| good	7.433 \| good	32.978 \| good	23.394 \| good	0.09 \| good	0.29 \| good	0.094 \| good
2025-07-11T12:00:00.000Z	38 \| good	7.374 \| good	32.019 \| good	24.539 \| good	0.083 \| good	0.27 \| good	0.094 \| good
2025-07-11T13:00:00.000Z	38 \| good	7.203 \| good	31.995 \| good	27.465 \| good	0.081 \| good	0.238 \| good	0.094 \| good
2025-07-11T14:00:00.000Z	38 \| good	6.553 \| good	29.024 \| good	29.332 \| good	0.08 \| good	0.205 \| good	0.094 \| good
2025-07-11T15:00:00.000Z	38 \| good	7.072 \| good	31.032 \| good	29.938 \| good	0.078 \| good	0.173 \| good	0.094 \| good
2025-07-11T16:00:00.000Z	38 \| good	6.632 \| good	29.957 \| good	29.338 \| good	0.081 \| good	0.178 \| good	0.093 \| good
2025-07-11T17:00:00.000Z	33 \| good	6.063 \| good	27 \| good	28.96 \| good	0.085 \| good	0.183 \| good	0.092 \| good
2025-07-11T18:00:00.000Z	33 \| good	6.442 \| good	28.98 \| good	26.941 \| good	0.088 \| good	0.188 \| good	0.091 \| good
2025-07-11T19:00:00.000Z	33 \| good	6.016 \| good	27 \| good	27.327 \| good	0.088 \| good	0.181 \| good	0.09 \| good
2025-07-11T20:00:00.000Z	33 \| good	5.981 \| good	27 \| good	26.983 \| good	0.087 \| good	0.174 \| good	0.088 \| good
2025-07-11T21:00:00.000Z	33 \| good	5.608 \| good	24 \| good	27.104 \| good	0.087 \| good	0.167 \| good	0.087 \| good
2025-07-11T22:00:00.000Z	33 \| good	6.174 \| good	27.007 \| good	28.363 \| good	0.077 \| good	0.202 \| good	0.086 \| good
2025-07-11T23:00:00.000Z	27 \| good	5.446 \| good	23.05 \| good	28.981 \| good	0.066 \| good	0.236 \| good	0.085 \| good
2025-07-12T00:00:00.000Z	27 \| good	5.281 \| good	22.986 \| good	26.041 \| good	0.055 \| good	0.271 \| good	0.084 \| good
2025-07-12T01:00:00.000Z	27 \| good	5.283 \| good	23 \| good	23.964 \| good	0.062 \| good	0.283 \| good	0.084 \| good
2025-07-12T02:00:00.000Z	33 \| good	5.839 \| good	25.014 \| good	21.874 \| good	0.068 \| good	0.294 \| good	0.083 \| good
2025-07-12T03:00:00.000Z	27 \| good	5.447 \| good	23.045 \| good	20.282 \| good	0.074 \| good	0.305 \| good	0.082 \| good
2025-07-12T04:00:00.000Z	33 \| good	5.602 \| good	24 \| good	19.989 \| good	0.078 \| good	0.306 \| good	0.081 \| good
2025-07-12T05:00:00.000Z	33 \| good	6.042 \| good	27 \| good	18.429 \| good	0.083 \| good	0.307 \| good	0.08 \| good
2025-07-12T06:00:00.000Z	38 \| good	6.734 \| good	30 \| good	19.78 \| good	0.087 \| good	0.308 \| good	0.08 \| good
2025-07-12T07:00:00.000Z	38 \| good	6.853 \| good	30.03 \| good	19.263 \| good	0.089 \| good	0.302 \| good	0.079 \| good
2025-07-12T08:00:00.000Z	38 \| good	7.21 \| good	32.009 \| good	19.948 \| good	0.091 \| good	0.297 \| good	0.079 \| good
2025-07-12T09:00:00.000Z	33 \| good	6.376 \| good	28.033 \| good	20.095 \| good	0.094 \| good	0.291 \| good	0.079 \| good
2025-07-12T10:00:00.000Z	33 \| good	6.21 \| good	27.981 \| good	20.617 \| good	0.095 \| good	0.297 \| good	0.08 \| good
2025-07-12T11:00:00.000Z	33 \| good	6.209 \| good	27.973 \| good	21.576 \| good	0.096 \| good	0.302 \| good	0.08 \| good
2025-07-12T12:00:00.000Z	33 \| good	6.147 \| good	27.032 \| good	23.86 \| good	0.098 \| good	0.308 \| good	0.08 \| good
2025-07-12T13:00:00.000Z	33 \| good	6.134 \| good	27.032 \| good	27.462 \| good	0.1 \| good	0.283 \| good	0.082 \| good
2025-07-12T14:00:00.000Z	33 \| good	5.651 \| good	24.025 \| good	29.568 \| good	0.103 \| good	0.258 \| good	0.083 \| good
2025-07-12T15:00:00.000Z	29 \| good	5.468 \| good	23 \| good	31.145 \| good	0.106 \| good	0.232 \| good	0.084 \| good

Key West

Get reliable air quality data to drive your business

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

0.45ppm

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.

Source: Ambee Data Sources

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Frequently asked questions

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

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?

The worst air quality in Key West, Florida in the last 24 hours was observed at 10:00:00 on 2025-07-09.

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

In the last 24 hrs, the best air quality in Key West, Florida was observed at 10:00:00 on 2025-07-10.

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

The current air quality in Key West, Florida is 25, categorized as Good based on real-time data.

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

The most common pollutant in Key West, Florida is O3.

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

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 PM_2.5 in Key West, Florida?

The current PM_2.5 concentration at Key West, Florida is 2.185 μg/m³.

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

The current PM₁₀ concentration at Key West, Florida is 8.999 μg/m³.

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

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?

The current sulfur dioxide (SO₂) concentration at Key West, Florida is 0.096 ppb.

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

The current ozone (O₃) concentration at Key West, Florida is 27.38 ppm.

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

The current nitrogen dioxide (NO₂) concentration at Key West, Florida is 0.271 ppb.

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