What are the current PM10 levels at Louisville, Kentucky?

The current PM10 levels in Louisville, Kentucky are 37.565 μg/m3.

What are the current sulfur dioxide (SO2) levels at Louisville, Kentucky?

The current sulfur dioxide (SO2) levels in Louisville, Kentucky are 0.587 ppb.

What are the current ozone (O3) levels at Louisville, Kentucky?

The current ozone (O3) levels at Louisville, Kentucky is 13.156 ppm.

What are the current nitrogen dioxide (NO2) levels at Louisville, Kentucky?

The current nitrogen dioxide (NO2) levels at Louisville, Kentucky is 19.181 ppb.

Live air quality index in Louisville, Kentucky today

Name: Live air pollution levels in Louisville, Kentucky today
Creator: Ambee

Stay updated with real-time air quality in Louisville, Kentucky 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)

Moderate

Louisville, Kentucky

Last updated: ... (Local time)

Major air pollutants in Louisville, Kentucky

Good

Fine

Moderate

Poor

Very poor

Hazardous

Particulate Matter_2.5 (PM_2.5)

10.58 μg/m³

12.1

35.5

55.5

250.5

500.5+

Particulate Matter₁₀ (PM₁₀)

37.56 μg/m³

155

255

425

605+

Ozone (O₃)

13.16 ppb

201

201+

Sulfur Dioxide (SO₂)

0.59 ppb

186

605

1005+

Nitrogen Dioxide (NO₂)

19.18 ppb

101

361

1250

2050+

Carbon Monoxide (CO)

0.55 ppm

4.5

9.5

12.5

230.5

50.5+

Pollen Level

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Louisville, Kentucky

Scroll To Air Quality Map

Track live Louisville, Kentucky air quality forecast and history

Time	AQI	PM_2.5	PM₁₀	O₃	SO₂	NO₂	CO
2025-06-01T00:00:00.000Z	54 \| moderate	10.828 \| good	36.251 \| good	51.649 \| good	0.668 \| good	3.032 \| good	0.15 \| good
2025-06-01T01:00:00.000Z	54 \| moderate	10.897 \| good	36.143 \| good	50.64 \| good	0.804 \| good	4.01 \| good	0.15 \| good
2025-06-01T02:00:00.000Z	54 \| moderate	11.457 \| good	37.116 \| good	47.276 \| good	0.91 \| good	6.374 \| good	0.159 \| good
2025-06-01T03:00:00.000Z	33 \| good	6.397 \| good	28.798 \| good	32.487 \| good	0.691 \| good	8.06 \| good	0.259 \| good
2025-06-01T04:00:00.000Z	60 \| moderate	14.189 \| fine	45.491 \| good	41.292 \| good	0.858 \| good	6.9 \| good	0.262 \| good
2025-06-01T05:00:00.000Z	62 \| moderate	14.748 \| fine	47.826 \| good	40.066 \| good	0.849 \| good	7.468 \| good	0.253 \| good
2025-06-01T06:00:00.000Z	62 \| moderate	14.604 \| fine	50.619 \| good	40.093 \| good	0.877 \| good	8.717 \| good	0.301 \| good
2025-06-01T07:00:00.000Z	52 \| moderate	9.999 \| good	30.948 \| good	40.835 \| good	0.863 \| good	3.235 \| good	0.208 \| good
2025-06-01T08:00:00.000Z	49 \| good	8.681 \| good	28.879 \| good	41.3 \| good	0.875 \| good	3.114 \| good	0.116 \| good
2025-06-01T09:00:00.000Z	38 \| good	6.648 \| good	22.006 \| good	38.277 \| good	0.878 \| good	2.758 \| good	0.157 \| good
2025-06-01T10:00:00.000Z	33 \| good	5.779 \| good	19.838 \| good	36.397 \| good	0.763 \| good	2.895 \| good	0.154 \| good
2025-06-01T11:00:00.000Z	32 \| good	5.113 \| good	16.7 \| good	34.72 \| good	0.778 \| good	2.403 \| good	0.152 \| good
2025-06-01T12:00:00.000Z	34 \| good	4.836 \| good	16.181 \| good	36.821 \| good	0.614 \| good	3.012 \| good	0.156 \| good
2025-06-01T13:00:00.000Z	31 \| good	4.711 \| good	15.592 \| good	32.985 \| good	0.628 \| good	4.223 \| good	0.155 \| good
2025-06-01T14:00:00.000Z	31 \| good	4.697 \| good	15.445 \| good	32.825 \| good	0.709 \| good	4.423 \| good	0.156 \| good
2025-06-01T16:00:00.000Z	31 \| good	4.564 \| good	15.061 \| good	33.266 \| good	0.896 \| good	4.054 \| good	0.152 \| good
2025-06-01T17:00:00.000Z	34 \| good	4.271 \| good	13.866 \| good	36.674 \| good	0.889 \| good	3.922 \| good	0.202 \| good
2025-06-01T18:00:00.000Z	38 \| good	3.955 \| good	13.13 \| good	40.688 \| good	1.175 \| good	3.6 \| good	0.151 \| good
2025-06-01T19:00:00.000Z	40 \| good	3.736 \| good	12.442 \| good	42.502 \| good	1.23 \| good	2.656 \| good	0.153 \| good
2025-06-01T20:00:00.000Z	43 \| good	3.558 \| good	11.382 \| good	45.599 \| good	1.383 \| good	3.265 \| good	0.202 \| good
2025-06-01T21:00:00.000Z	45 \| good	3.849 \| good	11.979 \| good	48.588 \| good	1.343 \| good	2.423 \| good	0.146 \| good
2025-06-01T22:00:00.000Z	45 \| good	3.845 \| good	11.897 \| good	48.6 \| good	1.307 \| good	2.623 \| good	0.151 \| good
2025-06-01T23:00:00.000Z	44 \| good	3.526 \| good	11.205 \| good	47.506 \| good	1.199 \| good	1.893 \| good	0.148 \| good
2025-06-02T00:00:00.000Z	43 \| good	3.777 \| good	12.334 \| good	46.466 \| good	1.135 \| good	3.124 \| good	0.15 \| good
2025-06-02T01:00:00.000Z	36 \| good	3.962 \| good	13.008 \| good	39.479 \| good	1.145 \| good	5.739 \| good	0.25 \| good
2025-06-02T02:00:00.000Z	27 \| good	4.743 \| good	15.121 \| good	29.192 \| good	1.116 \| good	15.732 \| good	0.483 \| good
2025-06-02T03:00:00.000Z	44 \| good	8.377 \| good	30.861 \| good	19.81 \| good	1.2 \| good	19.675 \| good	0.435 \| good
2025-06-02T04:00:00.000Z	49 \| good	9.135 \| good	32.036 \| good	21.139 \| good	0.967 \| good	16.835 \| good	0.587 \| good
2025-06-02T05:00:00.000Z	49 \| good	9.328 \| good	31.202 \| good	16.549 \| good	0.816 \| good	26.293 \| good	0.589 \| good
2025-06-02T06:00:00.000Z	52 \| moderate	10.16 \| good	35.958 \| good	10.403 \| good	0.778 \| good	24.242 \| good	0.589 \| good
2025-06-02T07:00:00.000Z	52 \| moderate	10.488 \| good	36.564 \| good	16.718 \| good	0.614 \| good	21.21 \| good	0.539 \| good
2025-06-02T08:00:00.000Z	54 \| moderate	10.578 \| good	37.565 \| good	13.156 \| good	0.587 \| good	19.181 \| good	0.552 \| good
2025-06-02T09:00:00.000Z	52 \| moderate	10.181 \| good	35.105 \| good	14.393 \| good	0.588 \| good	15.898 \| good	0.551 \| good
2025-06-02T10:00:00.000Z	52 \| moderate	9.62 \| good	31.811 \| good	8.479 \| good	0.594 \| good	13.343 \| good	0.609 \| good
2025-06-02T11:00:00.000Z	52 \| moderate	10.073 \| good	36.126 \| good	9.2 \| good	0.666 \| good	15.515 \| good	0.879 \| good
2025-06-02T12:00:00.000Z	54 \| moderate	11.184 \| good	42.799 \| good	8.702 \| good	0.838 \| good	15.38 \| good	0.838 \| good
2025-06-02T13:00:00.000Z	56 \| moderate	12.193 \| fine	49.822 \| good	10.745 \| good	1.115 \| good	20.372 \| good	0.828 \| good
2025-06-02T14:00:00.000Z	60 \| moderate	14.179 \| fine	58.186 \| fine	13.818 \| good	2.187 \| good	23.514 \| good	0.637 \| good
2025-06-02T15:00:00.000Z	60 \| moderate	13.959 \| fine	55.859 \| fine	20.076 \| good	1.158 \| good	14.021 \| good	0.314 \| good
2025-06-02T16:00:00.000Z	56 \| moderate	12.298 \| fine	48.922 \| good	29.053 \| good	0.877 \| good	12.121 \| good	0.297 \| good
2025-06-02T17:00:00.000Z	54 \| moderate	10.679 \| good	42.12 \| good	42.935 \| good	0.553 \| good	11.368 \| good	0.249 \| good
2025-06-02T18:00:00.000Z	47 \| good	8.439 \| good	32.466 \| good	51.332 \| good	0.773 \| good	9.506 \| good	0.252 \| good
2025-06-02T19:00:00.000Z	51 \| moderate	7.162 \| good	26.39 \| good	54.65 \| good	0.866 \| good	6.259 \| good	0.201 \| good
2025-06-02T20:00:00.000Z	61 \| moderate	6.906 \| good	24.968 \| good	58.44 \| fine	0.592 \| good	9.258 \| good	0.249 \| good
2025-06-02T21:00:00.000Z	74 \| moderate	7.064 \| good	24.165 \| good	62.134 \| fine	0.33 \| good	10.363 \| good	0.249 \| good
2025-06-02T22:00:00.000Z	71 \| moderate	7.75 \| good	25.914 \| good	60.767 \| fine	0.495 \| good	9.117 \| good	0.298 \| good
2025-06-02T23:00:00.000Z	67 \| moderate	8.475 \| good	27.199 \| good	60.287 \| fine	0.539 \| good	10.948 \| good	0.303 \| good
2025-06-02T09:00:00.000Z	54 \| moderate	10.578 \| good	37.565 \| good	13.156 \| good	0.587 \| good	19.181 \| good	0.552 \| good
2025-06-02T10:00:00.000Z	33 \| good	6.397 \| good	28.118 \| good	9.384 \| good	1.587 \| good	4.631 \| good	0.227 \| good
2025-06-02T11:00:00.000Z	44 \| good	8.447 \| good	37.198 \| good	10.739 \| good	1.543 \| good	4.643 \| good	0.231 \| good
2025-06-02T12:00:00.000Z	44 \| good	7.671 \| good	34.021 \| good	14.663 \| good	1.499 \| good	4.655 \| good	0.235 \| good
2025-06-02T13:00:00.000Z	27 \| good	4.739 \| good	20.673 \| good	23.649 \| good	3.077 \| good	1.314 \| good	0.168 \| good
2025-06-02T14:00:00.000Z	27 \| good	3.049 \| good	12.156 \| good	29.08 \| good	3.165 \| good	1.352 \| good	0.17 \| good
2025-06-02T15:00:00.000Z	34 \| good	2.415 \| good	9.77 \| good	37.333 \| good	3.253 \| good	1.39 \| good	0.173 \| good
2025-06-02T16:00:00.000Z	43 \| good	3.014 \| good	13.271 \| good	45.933 \| good	1.698 \| good	0.696 \| good	0.151 \| good
2025-06-02T17:00:00.000Z	50 \| good	5.278 \| good	22.444 \| good	54.128 \| good	1.766 \| good	0.722 \| good	0.152 \| good
2025-06-02T18:00:00.000Z	58 \| moderate	7.834 \| good	34.338 \| good	57.382 \| fine	1.834 \| good	0.748 \| good	0.152 \| good
2025-06-02T19:00:00.000Z	77 \| moderate	7.876 \| good	34.385 \| good	63.211 \| fine	1.434 \| good	0.778 \| good	0.157 \| good
2025-06-02T20:00:00.000Z	77 \| moderate	7.948 \| good	34.76 \| good	63.055 \| fine	1.47 \| good	0.813 \| good	0.157 \| good
2025-06-02T21:00:00.000Z	80 \| moderate	9.41 \| good	42.051 \| good	64.08 \| fine	1.506 \| good	0.847 \| good	0.157 \| good
2025-06-02T22:00:00.000Z	74 \| moderate	10.275 \| good	45.448 \| good	62.325 \| fine	1.29 \| good	2.875 \| good	0.183 \| good
2025-06-02T23:00:00.000Z	54 \| moderate	11.05 \| good	48.953 \| good	55.74 \| fine	1.294 \| good	3.05 \| good	0.184 \| good
2025-06-03T00:00:00.000Z	60 \| moderate	14.152 \| fine	63.331 \| fine	47.702 \| good	1.297 \| good	3.225 \| good	0.186 \| good
2025-06-03T01:00:00.000Z	60 \| moderate	14.493 \| fine	65.35 \| fine	30.705 \| good	1.547 \| good	3.684 \| good	0.186 \| good
2025-06-03T02:00:00.000Z	64 \| moderate	15.55 \| fine	69.524 \| fine	26.995 \| good	1.55 \| good	3.882 \| good	0.187 \| good
2025-06-03T03:00:00.000Z	62 \| moderate	14.755 \| fine	65.865 \| fine	25.004 \| good	1.552 \| good	4.081 \| good	0.189 \| good
2025-06-03T04:00:00.000Z	60 \| moderate	13.803 \| fine	61.785 \| fine	20.044 \| good	1.447 \| good	3.271 \| good	0.183 \| good
2025-06-03T05:00:00.000Z	58 \| moderate	12.515 \| fine	56.896 \| fine	19.049 \| good	1.431 \| good	3.424 \| good	0.184 \| good
2025-06-03T06:00:00.000Z	56 \| moderate	11.901 \| good	53.573 \| good	18.457 \| good	1.416 \| good	3.578 \| good	0.186 \| good
2025-06-03T07:00:00.000Z	52 \| moderate	9.772 \| good	43.509 \| good	16.784 \| good	0.977 \| good	2.703 \| good	0.181 \| good
2025-06-03T08:00:00.000Z	52 \| moderate	9.991 \| good	44.631 \| good	15.985 \| good	0.957 \| good	2.766 \| good	0.182 \| good
2025-06-03T09:00:00.000Z	49 \| good	9.441 \| good	41.824 \| good	16.412 \| good	0.938 \| good	2.829 \| good	0.183 \| good
2025-06-03T10:00:00.000Z	49 \| good	9.069 \| good	40.478 \| good	15.228 \| good	0.605 \| good	1.911 \| good	0.193 \| good
2025-06-03T11:00:00.000Z	52 \| moderate	10.093 \| good	44.675 \| good	13.976 \| good	0.598 \| good	1.911 \| good	0.192 \| good
2025-06-03T12:00:00.000Z	52 \| moderate	10.264 \| good	45.709 \| good	20.293 \| good	0.591 \| good	1.91 \| good	0.192 \| good
2025-06-03T13:00:00.000Z	56 \| moderate	11.912 \| good	53.467 \| good	29.679 \| good	0.937 \| good	1.18 \| good	0.215 \| good
2025-06-03T14:00:00.000Z	58 \| moderate	13.053 \| fine	58.666 \| fine	39.258 \| good	0.823 \| good	1.229 \| good	0.218 \| good
2025-06-03T15:00:00.000Z	56 \| moderate	11.572 \| good	51.444 \| good	47.133 \| good	0.708 \| good	1.279 \| good	0.221 \| good
2025-06-03T16:00:00.000Z	49 \| good	9.172 \| good	41.098 \| good	46.949 \| good	0.781 \| good	0.738 \| good	0.202 \| good
2025-06-03T17:00:00.000Z	49 \| good	9.081 \| good	40.902 \| good	45.011 \| good	0.684 \| good	0.759 \| good	0.203 \| good
2025-06-03T18:00:00.000Z	49 \| good	9.021 \| good	39.575 \| good	44.758 \| good	0.587 \| good	0.78 \| good	0.204 \| good
2025-06-03T19:00:00.000Z	54 \| moderate	10.629 \| good	47.023 \| good	46.972 \| good	0.671 \| good	0.923 \| good	0.205 \| good
2025-06-03T20:00:00.000Z	56 \| moderate	12.31 \| fine	55.054 \| fine	48.125 \| good	0.577 \| good	0.955 \| good	0.205 \| good
2025-06-03T21:00:00.000Z	58 \| moderate	13.249 \| fine	59.089 \| fine	55.343 \| fine	0.484 \| good	0.988 \| good	0.205 \| good
2025-06-03T22:00:00.000Z	60 \| moderate	13.587 \| fine	60.841 \| fine	54.694 \| good	0.798 \| good	2.518 \| good	0.218 \| good
2025-06-03T23:00:00.000Z	60 \| moderate	14.336 \| fine	64.542 \| fine	49.151 \| good	0.676 \| good	2.617 \| good	0.218 \| good
2025-06-04T00:00:00.000Z	79 \| moderate	24.374 \| fine	25.307 \| good	50.891 \| good	0.549 \| good	2.721 \| good	0.218 \| good
2025-06-04T01:00:00.000Z	62 \| moderate	14.57 \| fine	65 \| fine	32.011 \| good	0.715 \| good	2.31 \| good	0.219 \| good
2025-06-04T02:00:00.000Z	66 \| moderate	17.287 \| fine	76.943 \| fine	30.286 \| good	0.675 \| good	2.415 \| good	0.219 \| good
2025-06-04T03:00:00.000Z	66 \| moderate	17.154 \| fine	76.475 \| fine	28.144 \| good	0.635 \| good	2.52 \| good	0.22 \| good
2025-06-04T04:00:00.000Z	66 \| moderate	17.337 \| fine	76.952 \| fine	26.174 \| good	0.793 \| good	1.725 \| good	0.224 \| good
2025-06-04T05:00:00.000Z	64 \| moderate	15.515 \| fine	68.943 \| fine	24.226 \| good	0.768 \| good	1.797 \| good	0.226 \| good
2025-06-04T06:00:00.000Z	84 \| moderate	27.201 \| fine	27.973 \| good	53.266 \| good	0.74 \| good	1.876 \| good	0.228 \| good

Louisville

Empower business decisions with accurate air quality data

Louisville, Kentucky air quality map: Real-time AQI near you

0.53ppm

How accurate is Kentucky, USA air quality data?

Air quality measurements for Kentucky, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.

Source: Ambee Data Sources

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Check live rankings of places in the USA affected by air pollution.

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Frequently asked questions

How frequently is the air quality data for Louisville, Kentucky updated?

Air quality data for Louisville, Kentucky is updated on an hourly basis.

When did Louisville, Kentucky experience the worst air quality in the last 24 hours?

The worst air quality in Louisville, Kentucky was recorded at 08:00:00 on 2025-06-02.

When did Louisville, Kentucky have its best air quality in the last 24 hours?

The best air quality in Louisville, Kentucky was recorded at 02:00:00 on 2025-06-02.

What is the real-time air quality index for Louisville, Kentucky?

The real-time air quality index in Louisville, Kentucky is 54, currently categorized as Moderate.

Which pollutant is found most often in Louisville, Kentucky?

The most common pollutant in Louisville, Kentucky is PM2.5.

What can I do if the air quality in Louisville, Kentucky is poor?

If the air quality in Louisville, Kentucky is poor, limit outdoor activities and use a mask to safeguard your health.

What are the current PM_2.5 levels in Louisville, Kentucky?

The measured PM_2.5 levels in Louisville, Kentucky at present are 10.578 μg/m³.

What are the current PM₁₀ levels at Louisville, Kentucky?

The current PM₁₀ levels in Louisville, Kentucky are 37.565 μg/m³.

What are the current carbon monoxide (CO) levels at Louisville, Kentucky?

The current carbon monoxide (CO) level in Louisville, Kentucky is 0.552 ppm.

What are the current sulfur dioxide (SO₂) levels at Louisville, Kentucky?

The current sulfur dioxide (SO₂) levels in Louisville, Kentucky are 0.587 ppb.

What are the current ozone (O₃) levels at Louisville, Kentucky?

The current ozone (O₃) levels at Louisville, Kentucky is 13.156 ppm.

What are the current nitrogen dioxide (NO₂) levels at Louisville, Kentucky?

The current nitrogen dioxide (NO₂) levels at Louisville, Kentucky is 19.181 ppb.

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